Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
To skydive
漫游太空
I'm afraid I must.Look at it!It's terribly dry.
恐怕我得现在浇。你看看，干得厉害。