Fluoridation
[医] 氟化
📖 牛津释义
fluoridation
n[U].
🗣️ 情景例句
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
As soon as I get to Guangzhou, I'll drop you a line.
我一到达广州，就给你写信。
Do you have any shoes like these?
像这样的鞋子你们有吗？