Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
What did I do with the rings?
我把戒指放哪儿了？
There's just one last favor I need to ask of you.
我需要问你的最后一件好事只有一个。
It looks like the shipping company did this.
应该是货运公司造成的吧。