Difluorodiphenyl
[醫(yī)] 二氟二苯
??? 情景例句
How do you say that in English?
那個用英語怎么說？
I'll let you keep the book for the time being, but I'll want it back next week.
這本書我暫時借給你，吵過下星期我就要跟你要回來。
I like having a twin sister.
我喜歡有一個孿生姐姐。