Quadrol
乙二胺
🗣️ 情景例句
This food is heavenly, isn't it?
这一顿太美好了， 是吗？
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。
No. Where's Jim? asked Ann.
“没有。吉姆在哪儿？”安问。