Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
Don't park your car in a dark street.
不要把车停在黑暗的街道上。
Rose, let me introduce my friend to you.
罗斯，让我介绍一下我的朋友。
he hardly ever used it, preferring always to go on foot.
但却很少使用，常常喜欢以步代车。