Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
Our fiftieth reunion?
是我们的五十年重聚？
He gave a straightforward answer.
他给予了坦率的回答。
It's nothing. Don't worry. You'll be OK, said Li Lei. But you'd better not talk.
“这算不了什么。不要着急。你会好的”，李垒说，“但你最好不要说话”。