Fluoridating
v. 在饮水中加少量之氟（以防儿童蛀牙）( fluoridate的现在分词 )
🗣️ 情景例句
Do you think we could go out together sometime?
你觉得什么时候我们可以一起出去？
A small leak will sink a great ship.
一个小漏洞可能弄沉一艘大轮船。
It doesn't matter.
没关系。