Pfas
abbr. personal fall arrest system 防坠落系统; [医][=performic acid-Schiff reaction]过氧甲酸-席夫反应
🗣️ 情景例句
I think we'll cook dinner together.
我想， 我们一起做晚餐了。
The eye that sees all things else sees not itself.
眼睛能看见一切的东西，但看不见自己。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。