Pencal
砷酸鈣
??? 情景例句
If you don't think it's any good, Please say so.
如果你認(rèn)為寫得不好，請(qǐng)照實(shí)說(shuō)。
When is grandparents' wedding anniversary?
祖父母的結(jié)婚周年是什么時(shí)候？
You know what I'm talking about.
我想你知道我在說(shuō)什么。