Hydrofluorocarbons
(hydrofluorocarbon 的复数) = HFC
🗣️ 情景例句
It's a bet.
一言为定。
He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的阅读和写作是强项，但他希望知道怎样去理解和说得更好。
I see, we'll look for them on our end.
哦，我们这边会找找看。