asteroid [ˈæstərɔɪd]以下由轻松背单词网站提供
单词级别第9级基本释义n.小行星;海盘车(动物)英英释义one of many rocky objects , with widths from over 900 kilometres to less than one kilometre , which circle the sun参考例句Astronomers have yet to witness an asteroid impacts with another planet. 天文学家还没有目击过小行星撞击其它行星。It's very unlikely that an asteroid will crash into Earth but the danger exists. 小行星撞地球的可能性很小,但这样的危险还是存在的。 推荐阅读 |