Fluoridizing
v. 用氟化物处理( fluoridize的现在分词 )
🗣️ 情景例句
What is your cancellation policy?
我怎么退票？
This price is subject to change without notice.
此价格可以不经通知自行调整。
In the eerie silence of the cavern,
洞里有一种可怕的寂静，