名词中文翻译
中文翻译：宇宙速度
同义词：
['cosmic velocity', 'cosmic speed']
例句：
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1.The spacecraft reached the speed of light in a mere second.
宇宙飞船在一秒钟内达到了光速。
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2. The astronauts were able to reach the speed of light during their journey through space.
宇航员们在太空旅行中能够达到光速。
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3.The discovery of this new planet would have been impossible without the cosmic speed of light.
如果没有光速，这个新行星的发现是不可能的。