我想問....
伽里略.....
佢話過....
a=Fm
有個常數g
佢係代表左咩乜野...
收錄日期: 2021-04-13 14:41:25
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071211000051KK02253