Alterative
a. 引起改變的, 變質的\\nn. 變質藥, 變質療法
??? 情景例句
and come back Sunday.
然后在星期天回來。
Hello. Is Mrs.James in, please?
喂，請問詹姆斯太太在家嗎？
We had some shoes like those a month ago,but we don't have any now.
一個月前我們有這要的鞋。但是現在沒有了。