Fluorides
n. [无化] 氟化物, 氰化物（fluoride的复数形式）
🗣️ 情景例句
I'm not just doing it for Michelle.
我不仅是为 Michelle做这些。
How much does it cost to rent a mid-size car?
租一辆中型汽车要多少钱？
The bat together with the balls was stolen.
球拍和球全被偷了。