Pfoa
[医][=Perfluorooctanoic acid]全氟辛酸
🗣️ 情景例句
I can't go along with you on that, I'm afraid.
恐怕在这一点上我不能认同你的廉洁。
The vacuum cleaner is making a funny noise.
吸尘器发出怪异的声音。
They all looked at a big and noisy machine in another corner of the machine shop.
他们全都看着机械车间另一角落的一台又大又嘈杂的机器。