Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
Back soon with a surprise.
接一个惊喜即回。
The plan worked well.
那项计划进行顺利。
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。