Fluorination
n. 氟化作用
🗣️ 情景例句
Yes, ice cream.
对 ，冰淇淋。
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
Before long, the noise dropped completely and the boat began to drift gently across the water.
没过多久，噪音便彻底消失，快艇开始在水面上慢悠悠地漂流。