meteoroid
🇬🇧/ˈmiːtiərɔɪd/ 🇺🇸/ˈmiːtɪərˌɔɪd/📚 31479any of the small celestial bodies that are thought to orbit the sun, possibly as the remains of comets. When they enter the earth's atmosphere, they become visible as meteors 流星
noun [专属名词][天] 流星体
An even smaller type of interplanetary debris is the meteoroid.
有一种更小的星际碎片，是流星体。
单词造句:
- 网友用“Meteoroid”造句精选
- 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。