Fluor
n. [矿]氟石
✅ 同义词
🗣️ 情景例句
We have a real hard-nosed boss.
我们老板真的很固执。
I'd like to take off for home tomorrow.
我想下星期五请假。
I usually come by bus. What about you?
我平常乘公共汽车。你呢？