Polyfluoroethylene
聚氟乙烯
🗣️ 情景例句
Breathing this air is killing me.
呼吸这样的空气真是致命。
Excellent.
妙极了。
First, remember that a fax can be read by anyone, so be careful what you send!
首先，要记住任何人都有机会读到传真，因此，对你发送的内容要小心谨慎！