Formamine
甲醛胺, 六亚甲基四胺
🗣️ 情景例句
I can't go another step because I'm pooped.
我一步也走不动了，我已经精疲力尽了。
Are there any discount tickets for me?
给我有折扣吗？
I hate to interrupt a man when he's busy working,
当一个人在忙着干活时，我是不愿意去打断他的，