Fluoridized
v. 用氟化物处理( fluoridize的过去式和过去分词 )
🗣️ 情景例句
When's the next class?
下一次上课什么时候？
Every why has a wherefore.
事出有因。
At night, the children always do their homework.Then they go to bed.
晚上，孩子们总是做作业，然后去睡觉。