Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
My mom is available to baby-sit this weekend.
我妈妈在这个周末可以照顾小宝宝。
In that regard, at least, we agree.
至少在这个问题上我们是一致的。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。