Perfluoro-
[化] 全氟; 全氟代
🗣️ 情景例句
It's a lovely area,
那里是个可爱的地方，
The best horse needs breaking, and the aptest child needs teaching.
玉不琢不成器。
We're packing our suitcases.We're going to leave tomorrow.
我们正在收拾手提箱。明天我们就要走了。