有一种更小的星际碎片,是流星体。
An even smaller type of interplanetary debris is the meteoroid.
宇宙充塞著沙粒大小的流星体。
Meteoroids are small particles in space with size similar to grains of sand.
所谓陨石,就是降落于地球表面的大流星体。
The so-called meteorite is a large meteoroid landed on the Earth's surface.
所谓陨石,就是降落于地球表面的大流星体。
The so-called meteorite is a large meteoroid landed on the Earth's surface.
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