Fluoridizer
氟化剂, 氟化器
🗣️ 情景例句
Mom says we can give her a going-away surprise party.
妈妈说我们可以给她举行一个让她惊喜的欢送派对。
We learn not at school, but in life.
学习不在校，而在生活中。
She was offered a job as a translator, but she turned it down.
有人请她去作翻译，她拒绝了。