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
He's planning a get-together
他计划办一个聚会
Who wrote that composition?
那个作品是谁写的？
They could be saved so much misery and expense if they chose to live in the city where they rightly belong.
要是他们愿意住在本来属于他们的城市，则可以让他们省去诸多不便与节约大量开支。