Meteor refers to the meteoroid moving in interstellar space.

流星是指运行在星际空间的流星体。

The size of meteoroids ranges from tiny dust particles to objects that cross tens of meters.

流星体的尺寸范围从微小的尘粒到横切为数十公尺的物体。

Even such a small meteoroid can pierce a space suit and harm an astronaut.

即使是这么小的流星体也能刺穿太空服，伤害宇航员。

Most meteoroids are usually only the size of a pebble. 

大多数流星体通常只有鹅卵石大小  

Of, relating to, or formed by a meteoroid.

关于流星、流星体或由流星、流星体组成。

Studies on meteoroid streams are briefly and systematically presented.

对流星群的研究作了简明而系统的介绍。

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。

When a meteoroid enters the atmosphere, it compresses the air in front of it.

当流星体进入大气层，它压缩的空气在前面的。

The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.

彗星的喷发速度在流星群的演化过程中起着重要作用。