Fluorinetherapy
氟疗法
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Finding that he could not remember a word of the letter either,
狱卒发现自己连一个字也记不住，