impact craters翻译

impact craters的基本解释

读音: 美: 英:

撞击坑：由于天体（如陨石、小行星等）撞击行星或卫星表面所形成的圆形凹陷地貌。

例句

Heat could be retained as debris fall back into impact craters, creating an insulating blanket.当碎片落回撞击坑时，热量可以被保留下来，形成隔热层。
The Mariner spacecraft found that the surface of Mars, as well as that of its two moons, is pitted with impact craters formed by meteoroids falling in from space.水手号宇宙飞船发现火星表面，还有它的两个卫星表面，都有由太空坠落的流星体造成的陨石坑。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。

短语

lunar impact craters 月球撞击圆坑
impact craters in china 中国撞击坑
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