Fluohydrocarbon
氟代烃
🗣️ 情景例句
Well, that is news.
噢， 这可是个新闻。
We can assure you that our products are the most outstanding ones on the market today, and we offer a five-year guarantee.
我们可以向您保证我方产品是当今市场上最好的，并且可提供5年保修期。
Have you had a wash yet?
你洗过脸了吗？