Hn2
[化] 氮芥; 二·甲基胺; 二氯乙基·甲基胺
🗣️ 情景例句
You'll have your tonsils out tomorrow,
明天你的扁桃腺一切除，
How much wool did you want to order?
你要订购多少羊毛？
I think we need to discuss the fifth clause.
我想第5条需要讨论一下。