Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
That movie received a favorable review.
那部电影受到了好评。
Humility is the foundation of all virtue.
谦逊是一切美德的基础。
the writer comes to discern things in his material which were not consciously in his mind when he began.
会领悟到素材中很多东西是他刚动笔时所未意识到的。