Cepheids
(cepheid 的復(fù)數(shù)) 造父變星
??? 情景例句
if people took the time to read.
只要人們肯花時(shí)間去閱讀。
Eventually people are made to answer for their actions.
人最后會(huì)對(duì)自己的行為負(fù)責(zé)。
Hurry up, Sam!The kettle's boiling!
快，薩姆。水開了！