Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
What did you think of our factories?
你认为我们的工厂怎样？
Even the bull seemed to feel sorry for him,
因为它一直同情地看着醉汉，