Diisocyanate
[机] 二异氰酸盐
🗣️ 情景例句
I'd like to help you, but...
我很想帮助你，但是…
I was perfectly aware of this before we married.
结婚前我就完全意识到这个问题。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。