Hexamethyleneamine
己烯胺
🗣️ 情景例句
I'm madly in love with her.
我爱她爱得发疯。
A constant guest is never welcome.
久住非佳宾，常来不欢迎。
Yes, I'm afraid you're right. I'll go tomorrow afternoon.
恐怕你说得对。我明天下午就去。