宇宙空间

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Astronauts undergo rigorous training before embarking on a space mission

宇航员在执行太空任务前需接受严格训练。

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The Earth's atmosphere protects living beings from harmful solar radiation

地球大气层保护生物免受有害太阳辐射。

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space station

phr. 太空站

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Astronauts live and conduct experiments aboard the International Space Station

宇航员在国际空间站生活并进行实验。

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Sunlight is essential for plants to carry out photosynthesis

阳光是植物进行光合作用的必需条件。

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The forest was illuminated by the soft glow of moonlight

森林被柔和的月光照亮。

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Scientists monitor asteroids to detect any potential threat to Earth

科学家监测小行星以探测对地球的潜在威胁。

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Astronomers use telescopes to study distant stars and galaxies

天文学家使用望远镜研究遥远的恒星和星系。

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Astronomy involves the study of celestial objects and the universe as a whole

天文学研究天体及整个宇宙。

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Our Milky Way galaxy contains billions of stars

我们的银河系包含数十亿颗恒星。

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The rocket was launched successfully , sending the satellite into orbit

火箭成功发射，将卫星送入轨道。

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Modern rockets are designed to carry payloads into space efficiently

现代火箭旨在高效将有效载荷送入太空。

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Satellites are used for communication , weather forecasting , and navigation

卫星用于通信、天气预报和导航。

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solar system

phr. [天] 太阳系

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Pluto was reclassified as a dwarf planet in our solar system

冥王星被重新归类为太阳系中的矮行星。

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The spacecraft docked with the space station smoothly

宇宙飞船与空间站顺利对接。

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The historic voyage to the Moon was a milestone in human history

那次历史性的月球航行是人类历史上的里程碑。

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The aerospace industry focuses on aircraft and spacecraft development

航空航天工业专注于飞机和航天器研发。

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Orion is one of the most recognizable constellations in the night sky

猎户座是夜空中最易辨认的星座之一。

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Gravity is the force that keeps planets in orbit around the sun

重力是使行星围绕太阳运行的力量。

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A lunar eclipse occurs when the Earth passes between the sun and the moon

当地球运行到太阳和月球之间时会发生月食。

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Meteors often burn up as they enter the Earth's atmosphere

流星进入地球大气层时通常会燃烧殆尽。

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The Earth's rotation on its axis causes day and night

地球绕地轴旋转产生昼夜交替。

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The Earth's axis is tilted at an angle of approximately 23.5 degrees

地轴倾斜角度约为23.5度。

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Astronauts experience weightless conditions in space

宇航员在太空中经历失重状态。

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The primary mission of the expedition was to study deep-sea ecosystems

这次探险的主要任务是研究深海生态系统。

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The rocket's booster separated after propelling it into the upper atmosphere

火箭助推器在将其送入高层大气后分离。

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The team conducted a final check during the countdown to the launch

团队在发射倒计时期间进行了最后检查。

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Scientists used a space probe to gather data from Mars

科学家利用太空探测器从火星收集数据。

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The moon begins to wane after reaching its full phase

月亮达到满月状态后开始亏缺。