Hn2
[化] 氮芥; 二·甲基胺; 二氯乙基·甲基胺
🗣️ 情景例句
It's a far cry from what I expected.
这离我想要的差远了。
Fashion is a very popular magazine in America.
《时尚》是美国很流行的杂志。
The answer is zero.
白忙了。