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
I manage my time perfectly so that I can always get things done on time.
我很会利用时间，因此总能准时完成工作。
Confidence of success is almost success.
对成功抱有信心，就近乎成功。
Look at his big teeth. Isn't he bigger than you?
瞧他的大牙齿。他的块头不是比你大吗？