Fluorin
n. [化]氟
🗣️ 情景例句
Thank you.
谢谢 。
She feels shy about meeting Frank for the first time.
她对于第一次和弗兰克约会感到难为情。
The Officer went through the case with great care.
那位官员十分仔细地把箱子检查了一遍。