Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
Where di you go to high school?
你在哪儿上高中？
Did everyone you invited show up?
你邀请的人都来了吗？
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。