Oospararenite
鮞粒亮晶砂屑灰巖
??? 情景例句
get some background on the job.
了解這項工程的一些背景。
A man can not spin and reel at the same time.
一心不能二用。
Dan Robinson has been worried all week.
丹。魯賓遜焦慮了整整一個星期。