Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
He is a man of ability.
他是个很能干的人。
We can't decide what to do.
我们不能决定怎么做。
He wore a small black hat, very wide trousers, a moustache and carried a stick that he swung in the air as he walked.
他头戴一顶小黑帽，身穿一条非常宽大的裤子，嘴上留着小胡子，手提着一根他边走边在空中挥舞的手杖。