Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
Frank, you got it.
Frank你猜对了。
How often did I tell you not to speak so loud?
我告诉你多少次不要讲话这么大声?
Last year was a bad year for the company. There was a big fall in sales.
去年公司不景气。销售额骤减。