Fluocarbon
氟代烃
🗣️ 情景例句
I take care of both to the best of my ability.
我尽我所能把两方面都照顾好。
Cheerful company shortens the miles.
旅有好旅伴，不觉行程远。
You must look after it. Give it to Mr. Hu.
你一定要好好保管啊！让胡老师帮你拿着。