Fluorin
n. [化]氟
🗣️ 情景例句
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
Finally,I asked him how old he was.
最后,我问他他多大。
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑，感到非常烦恼。