Hydrofluorocarbon
= HFC
✅ 同义词
🗣️ 情景例句
Hey, you know? There's still some film left on this roll,
嘿 ，知道吗？ 这一张 ，还有一些底片，
What's the time by your watch?
你的表几点了？
OK. Thank you. Goodbye!
好吧，谢谢你。再见！