Trihalide
三卤化合物
🗣️ 情景例句
we'll surprise her.
我们再让她惊喜一下。
I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么，所以我只好见机行事。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。