Hexamethylenediamire
己烯二胺
🗣️ 情景例句
Well ... I feel fine about it. Why shouldn't I?
嗯……我觉得不错。为什么不呢？
Didn't I tell you he's same size to me?
我没有说过他和我一样大小吗？
Do we need some more hot water?
我们还要些热开水吗？