Chlorodifluoromethane
氯二氟甲烷
🗣️ 情景例句
Oh, this is amazing! How can you people handle so many festivals?
哇，不是吧！你们怎么可能应付这么多的节日？
Deliberate before you begin, then execute with vigour.
著手前要深思熟虑，执行要果断有力。
Where do you come from?
你是哪国人？