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
I'm afraid I stayed too long.
恐怕我呆得太久了。
I'll pretend I didn't see that.
睁一只眼，闭一只眼。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？