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 understand you used to be in the construction business,
听说你过去从事建筑业
Draw not your bow till your arrow is fixed.
事未齐备，切莫妄动。
Oh well, we'll have to ask Zhang Li instead.
噢，好吧，我们得去请张理顶替了。