Unit 52：地理特征

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They hiked up the steep hill to reach the old stone chapel.

他们徒步登上陡峭的山丘，去往那座古老的石教堂。

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The Himalayas contain the world’s highest mountain, Mount Everest.

喜马拉雅山脉拥有世界最高峰——珠穆朗玛峰。

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Climbers spent three days acclimatizing before attempting the final ascent to the mountain peak.

登山者花了三天时间适应高原环境，才尝试最后冲顶山峰。

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The Andes is the longest continental mountain range in the world.

安第斯山脉是世界上最长的大陆山脉。

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Much of central Mexico lies on a high, arid plateau.

墨西哥中部大部分地区位于一片高而干旱的高原上。

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The fertile valley is surrounded by forested hills and fed by a clear river.

这片肥沃的山谷被林木茂盛的山丘环绕，并由一条清澈的河流滋养。

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The Grand Canyon was carved over millions of years by the Colorado River.

大峡谷由科罗拉多河历经数百万年冲刷而成。

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The vast grassy plain stretches as far as the eye can see.

这片广阔的草原一望无际。

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Camels are specially adapted to survive in the harsh desert environment.

骆驼经过特殊演化，能适应严酷的沙漠环境。

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After three days crossing the Sahara, they finally reached a lush oasis with date palms and fresh water.

穿越撒哈拉沙漠三天后，他们终于抵达了一处长满枣椰树、有淡水的葱郁绿洲。

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The polar regions are warming faster than any other part of the Earth.

极地地区变暖的速度比地球上任何其他地区都快。

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This ancient glacier has retreated over two kilometres in the past decade.

这座古老的冰川在过去十年中已后退了两公里以上。

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A massive iceberg broke free from the Antarctic ice shelf last month.

一个月前，一座巨大的冰山从南极冰架脱离。

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Deforestation threatens biodiversity in every major forest worldwide.

森林砍伐威胁着全球每个主要森林的生物多样性。

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The Amazon rain forest absorbs billions of tons of carbon dioxide annually.

亚马逊雨林每年吸收数十亿吨二氧化碳。

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Tropical rainforest soils are surprisingly nutrient-poor despite dense vegetation.

尽管植被茂密，热带雨林的土壤养分却出人意料地贫乏。

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This dining table is crafted from solid oak wood with visible grain.

这张餐桌由实心橡木打造，木纹清晰可见。

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Many city dwellers move to the countryside for cleaner air and slower pace of life.

许多城市居民为呼吸更清洁的空气、享受更慢的生活节奏而移居乡村。

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She has published groundbreaking research in the field of renewable energy policy.

她在可再生能源政策这一领域发表了开创性研究成果。

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Wildflowers bloom across the sunlit meadow each spring.

每年春天，野花在阳光照耀的草地上盛开。

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Sustainable grazing practices help preserve native grassland ecosystems.

可持续放牧方式有助于保护原生草原生态系统。

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Intensive farming has degraded much of the country's farmland over the past thirty years.

过去三十年间，集约化农业已使该国大量农田退化。

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Investors often use currency futures to hedge against exchange rate fluctuations.

投资者常使用货币期货来对冲汇率波动风险。

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Plastic pollution is now visible on even the most remote tropical beaches.

塑料污染如今甚至出现在最偏远的热带海滩上。

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The sea was unusually calm and turquoise that morning.

那天早上海水异常平静，呈青绿色。

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Ocean acidification poses a serious threat to coral reef survival.

海洋酸化对珊瑚礁的存续构成严重威胁。

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A gentle wave lapped against the rocks as we walked along the cliff path.

我们沿着悬崖小径行走时，一道轻柔的波浪拍打着岩石。

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We missed the boat because we arrived at the dock just after high tide.

我们赶到码头时刚过高潮，因此错过了渡船。

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At low tide, tidal pools teem with starfish, crabs, and anemones.

低潮时，潮池里满是海星、螃蟹和海葵。

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The lake’s surface froze solid during the record-breaking winter cold spell.

湖面在创纪录的冬季寒潮期间完全封冻。

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Dragonflies dart above the still, algae-covered pond at dusk.

黄昏时，蜻蜓在静止且覆有藻类的池塘上空疾飞。

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This volcanic island emerged from the ocean less than two hundred years ago.

这座火山岛不到两百年前才从海洋中升起。

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Erosion has caused several dangerous cliff collapses along the southern coastline.

侵蚀已导致南部海岸沿线发生多起危险的悬崖坍塌。

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Geologists collected samples of igneous rocks from the mountain ridge.

地质学家从山脊采集了火成岩样本。

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Stalactites and stalagmites formed slowly over thousands of years inside the limestone cave.

钟乳石和石笋在石灰岩洞穴内历经数千年缓慢形成。

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The mist from the thundering waterfall soaked our jackets within minutes.

轰鸣瀑布喷出的水雾几分钟内就浸透了我们的外套。

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Kayakers must navigate the Class IV rapids with extreme caution and expert guidance.

皮划艇运动员必须在专家指导下极其谨慎地穿越四级急流。

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Mosquito-borne diseases remain prevalent in the flooded swamp areas after heavy rains.

暴雨过后，被淹没的沼泽地区蚊媒疾病依然高发。

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The wind reshapes the sand dune every season.

风每季重塑一次沙丘。

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The river meanders slowly through the fertile valley.

这条河流蜿蜒流过肥沃的河谷。

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A clear mountain stream trickles over smooth stones.

一条清澈的山间溪流缓缓淌过光滑的石头。

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Old Faithful is a famous geyser that erupts regularly.

老忠实泉是一处定期喷发的著名间歇泉。

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Scientists monitor the volcano for signs of imminent eruption.

科学家们持续监测这座火山，以发现即将喷发的迹象。