Dinitroresorcinol
二硝基间苯二酚
🗣️ 情景例句
I've been there several times.
我到那儿去过好几次。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。
I'm just calling to introduce myself. My name is Tang.
我打电话是向您作自我介绍，我姓唐。