Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
Can you tell me where the campus library is located?
能告诉我校图书馆在哪儿吗？
What happened to you memory?
你的记性是怎么搞的？
OK. Thank you. Goodbye!
好吧，谢谢你。再见！