Dioform
[化] 1,2-二氯乙烯
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
It's between the post office and the hospital.
它就在邮电局和医院之间。