Polyfluorohydrocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
Do you think you are over-qualified, then?
那你认为你资历过高了？
How can I get in touch with you?
我怎样能跟你联络上？
That doesn't sound like modern printing.
这听起来不象是现代印刷术呀。