Fluorochemical
[机] 氟化物
🗣️ 情景例句
Have you gotten over your cold?
你感冒好了吗？
I'm sure you need an original signature, not a faxed copy.
我知道你们需要的是原件，不是传真件。
But you said you'd come out to dinner with me. We fixed it.
但你说过你愿意出来和我共进晚餐的。我们已经决定了的。