Unit 15-O字母开头的词汇

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The dining table is crafted from solid American oak with a natural finish.

这张餐桌由实心美国橡木打造，表面为天然饰面。

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The rowers dipped their oars smoothly into the water and pulled in unison.

划手们将桨平稳地插入水中，齐力向后划动。

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All drivers must obey traffic signals and road signs without exception.

所有驾驶员都必须无例外地遵守交通信号灯和道路标志。

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In object-oriented programming, an object is an instance of a class.

在面向对象编程中，对象是类的一个实例。

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He raised no objection to the proposed timeline for the project.

他对项目拟定的时间表未提出任何反对。

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Our primary objective is to improve literacy rates among underprivileged youth.

我们的主要目标是提高弱势青少年的识字率。

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You've really obliged me with your help.

你帮了我大忙，我非常感激。

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His keen observation revealed the flaw in the design.

他敏锐的观察揭示了设计中的缺陷。

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Scientists observe animal behaviour in natural habitats.

科学家在自然栖息地观察动物行为。

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As a neutral observer, she recorded everything without bias.

作为中立的观察者，她毫无偏见地记录了一切。

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Lack of funding remains a major obstacle to progress.

资金缺乏仍是进展的主要障碍。

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Students must obtain official permission before conducting fieldwork.

学生必须在开展实地调研前获得正式许可。

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It's obvious that climate change is accelerating.

气候变化正在加速，这是显而易见的。

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Obviously, we need more data to support this conclusion.

显然，我们需要更多数据来支撑这一结论。

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This formal dinner is a special occasion for the whole team.

这场正式晚宴是整个团队的一个特殊场合。

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He makes occasional visits to his hometown.

他偶尔会回一趟家乡。

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She occasionally works with patients remotely.

她偶尔远程为患者提供服务（她的职业是临床心理学家）。

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Her occupation is clinical psychology.

她的职业是临床心理学家。

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The new office building will occupy the entire city block.

这座新办公楼将占据整个城市街区。

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Earthquakes rarely occur in this region.

地震极少发生在这个地区。

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The occurrence of such errors suggests systemic issues.

此类错误的发生表明存在系统性问题。

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Plastic pollution threatens marine life across every ocean.

塑料污染正威胁着每一片海洋的海洋生物。

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Oceania comprises thousands of islands scattered across the Pacific.

大洋洲由散布在太平洋上的数千座岛屿组成。

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The lecture starts at two o'clock sharp.

讲座两点整开始。

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October is often the driest month in southern Australia.

十月通常是澳大利亚南部最干燥的月份。

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There’s something odd about the way he avoided answering the question.

他回避回答问题的方式有点奇怪。

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A faint odour of burnt toast lingered in the kitchen.

厨房里残留着一丝烤面包烧焦的气味。

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The decline of traditional industries has affected many communities.

传统产业的衰落影响了许多社区。

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Please switch off all electronic devices during take-off.

请在起飞期间关闭所有电子设备。

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His blunt remarks unintentionally offended several colleagues.

他直率的言辞无意中冒犯了几位同事。

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The university offers a wide range of scholarships to international students.

该大学为国际学生提供多种奖学金。

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She works in a downtown office.

她在市中心的一间办公室工作。

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The army officer led the troops into battle.

这名军官率领部队投入战斗。

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This is the official version of the report.

这是该报告的官方版本。

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He often checks his emails during meetings.

他开会时经常查看邮件。

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Oh, I didn’t realize you were waiting outside.

哦，我没意识到你一直在外面等。

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Olive oil is widely used in Mediterranean cooking.

橄榄油在地中海烹饪中被广泛使用。

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Okay, let’s reschedule the meeting for Friday.

好的，我们把会议改到周五吧。

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That building is over two hundred years old.

那栋建筑已有两百多年历史了。

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Please don’t omit any key details in your summary.

请勿在摘要中省略任何关键细节。

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The book is still on the shelf where you left it.

那本书仍在你放它的书架上。

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I’ve only been to Paris once, back in 2018.

我只去过巴黎一次，那是2018年的事。

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She was the only one who passed the advanced exam.

她是唯一一个通过高级考试的人。

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Students must learn to motivate oneself.

学生必须学会自我激励（自己）。

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Finely chop one small onion and sauté until translucent.

将一个小洋葱切碎，炒至半透明。

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He speaks English fluently — and only English.

他英语说得流利——而且只会说英语。

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She stepped carefully onto the icy pavement.

她小心翼翼地踏上结冰的人行道。

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Could you please open the window for some fresh air?

你能打开窗户透透气吗？

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The opening of the new museum attracted over five thousand visitors.

新博物馆的开幕吸引了五千多名参观者。

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We watched a stunning performance of Verdi’s *La Traviata* at the opera.

我们在歌剧院观看了威尔第《茶花女》一场令人震撼的演出。

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Only certified technicians are allowed to operate this machine.

只有持证技术人员才被允许操作这台机器。

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The surgical operation lasted nearly four hours.

这次外科手术持续了将近四个小时。

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The new system will be fully operational by next Monday.

新系统将于下周一全面投入运营。

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The customer service operator handled the complaint professionally.

这位客服操作员专业地处理了投诉。

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In my opinion, remote work improves work-life balance.

在我看来，远程办公能改善工作与生活的平衡。

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Her main opponent in the debate argued strongly against the proposal.

她在辩论中的主要对手强烈反对该提案。

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We seized the opportunity to expand into new markets.

我们抓住了进军新市场的机遇。

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The local community strongly opposes the construction of the new highway.

当地社区强烈反对修建这条新高速公路。

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Her views on education are almost the opposite of mine.

她对教育的看法几乎与我的相反。

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The regime was accused of using violence to oppress political dissent.

该政权被指控使用暴力压迫政治异见。

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Optical illusions can trick the human brain into seeing things that aren’t there.

光学错觉会欺骗人脑，让人看到并不存在的东西。

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Despite the setbacks, she remains optimistic about the project’s long-term success.

尽管遭遇挫折，她仍对该项目的长期成功持乐观态度。

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Students have the option to take either statistics or economics as their elective.

学生可选择统计学或经济学作为选修课。

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Attendance at the workshop is optional but highly recommended.

参加该研讨会是可选的，但强烈推荐。

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You can pay by credit card or bank transfer.

您可使用信用卡或银行转账付款。

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All patients must receive oral antibiotics for at least seven days.

所有患者必须口服抗生素至少七天。

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The sunset painted the sky a vivid shade of orange.

日落将天空染成一片鲜明的橙色。

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The satellite completed its final orbit before re-entering Earth’s atmosphere.

这颗卫星在再入地球大气层前完成了最后一条轨道运行。

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The symphony orchestra performed Beethoven’s Seventh Symphony to critical acclaim.

交响乐团演奏了贝多芬《第七交响曲》，获得乐评界高度赞誉。

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Our online order arrived two days ahead of the scheduled delivery date.

我们的网上订单比预定送达日期提前两天到达。

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The evacuation proceeded in a calm and orderly manner.

疏散以冷静而有序的方式进行。

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It was just an ordinary Tuesday until the unexpected announcement changed everything.

那原本只是普通的一星期二，直到意外公告彻底改变了局面。

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Iron ore is mined extensively in Western Australia and exported globally.

铁矿石在西澳大利亚被大规模开采，并出口至全球。

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The liver is the largest internal organ in the human body.

肝脏是人体最大的内部器官。

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Many consumers now prefer organic vegetables grown without synthetic pesticides.

许多消费者如今更青睐不使用合成农药种植的有机蔬菜。

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Scientists discovered a previously unknown microorganism living in deep-sea hydrothermal vents.

科学家在深海热液喷口发现了一种此前未知的微生物体。

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This international organization works to promote sustainable development worldwide.

该国际组织致力于在全球范围内推动可持续发展。

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She volunteered to organize the charity fundraiser last November.

她自愿负责组织去年十一月的慈善募捐活动。

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oriental

东方的

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Linguists traced the origin of the word ‘algorithm’ back to a 9th-century Persian mathematician.

语言学家将“算法”一词的起源追溯至9世纪一位波斯数学家。

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The original manuscript of the novel is preserved in the British Library.

这部小说的原始手稿保存在大英图书馆。

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The Christmas tree was decorated with glass ornaments.

圣诞树上装饰着玻璃饰品。

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She founded a charity to support orphans in rural areas.

她创办了一家慈善机构，以支持农村地区的孤儿。

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We have no other choice but to reschedule the meeting.

我们别无选择，只能重新安排会议。

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Wear a coat, otherwise you'll catch a cold.

穿上外套，否则你会感冒。

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You ought to consult a doctor before taking that medication.

你服那种药之前应该先咨询医生。

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This recipe calls for one ounce of dark chocolate.

这个食谱要求一盎司黑巧克力。

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Our team has worked tirelessly on this project for months.

我们的团队已为此项目连续数月不懈努力。

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The decision is ultimately ours to make.

最终决定权在我们手中。

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We prepared ourselves thoroughly for the IELTS speaking test.

我们为雅思口语考试充分准备（我们自己）。

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He was voted out of the committee after the ethics investigation.

他在道德调查后被投票逐出委员会。

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The outcome of the negotiations remains uncertain.

谈判的结果仍不确定。

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They installed an outdoor lighting system for the garden party.

他们为花园派对安装了户外照明系统。

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Children should spend more time playing outdoors every day.

儿童每天应花更多时间在户外玩耍。

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The outer layer of the fruit is edible but bitter.

该水果的外层可食用但味苦。

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We bought these jackets at a discount outlet near the airport.

我们在机场附近的奥特莱斯买了这些夹克。

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Please submit a detailed outline of your essay by Friday.

请于周五前提交你文章的详细大纲。

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Economists remain cautiously optimistic about the global economic outlook.

经济学家对全球经济展望持谨慎乐观态度。

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The factory doubled its daily output after installing new machinery.

工厂安装新设备后，日产量翻倍。

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From the outset, the project faced serious funding challenges.

从一开始，该项目就面临严重的资金挑战。

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There's a small café just outside the main entrance.

主入口外面有一家小咖啡馆。

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Many commuters live on the outskirts of the city.

许多通勤者住在城市郊区。

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Her outstanding academic performance earned her a full scholarship.

她杰出的学业表现使她获得了全额奖学金。

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He gave no outward sign of disappointment.

他没有流露出丝毫失望的迹象。

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The doors swing open outwards for safety reasons.

出于安全考虑，门向外开启。

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Preheat the oven to 180°C before baking the cake.

烘烤蛋糕前，请将烤箱预热至180摄氏度。

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The meeting is over.

会议结束了。

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Overall, the project was a success.

总体而言，这个项目是成功的。

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He wore a heavy wool overcoat in winter.

他冬天穿一件厚羊毛大衣。

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She worked hard to overcome her fear of public speaking.

她努力克服了当众讲话的恐惧。

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A flock of geese flew overhead.

一群大雁从头顶上飞过。

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Don’t overlook the small details in your essay.

不要忽视你文章中的小细节。

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The situation changed overnight.

情况一夜之间就变了。

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She studied overseas for two years.

她在海外学习了两年。

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The car accelerated to overtake the truck.

这辆车加速以超越卡车。

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Employees are paid extra for overtime work.

员工加班工作会获得额外报酬。

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I still owe him £50 from last month.

我上个月还欠他50英镑。

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Owls are nocturnal birds with exceptional hearing.

猫头鹰是具有超强听觉的夜行性鸟类。

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She owns a small bakery in the city centre.

她在市中心拥有一家小面包店。

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The owner of the restaurant greeted every guest personally.

这家餐厅的老板亲自迎接每位客人。

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Legal ownership of the property was transferred yesterday.

该房产的法定所有权已于昨日转移。

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An ox pulled the plough across the field.

一头牛拉着犁穿过田地。