411 REFERENCE · Wikibooks
Pinyin/Asteroid
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Pinyin#Pinyin tone marking
An asteroid is a small planet which go around the Sun.
xiaooxirngxing shih weirraoh Taihyarng yuhnxirng d xihxiaao d xirngxing.