Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
Seeing as you are all so tired, we'll finish this lesson next time.
考虑到现在你们都很累了，这课我们下次接着讲吧。
Which one is the longest river in China?
中国哪条河流最长？
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。