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
In other words, I'm in wonderful condition.
总之， 我身体非常好。
To swim
游泳
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。