Fluoridated
v. 在饮水中加少量之氟（以防儿童蛀牙）( fluoridate的过去式和过去分词 )
🗣️ 情景例句
but this is an important opportunity.
但这是一次很重要的机会。
This man risks his life.
这个男人在冒着生命危险。
Some of the things were hundreds of years old.
展出的一些东西已有数百年的历史了。