Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
Uh, in a way.
嗯，是呀。
Three removes are as bad as a fire.
三次搬家犹如一次失火。
Light the fire not so near the entrance that the wind will blow the fire out, and not so far in that the smoke will fill the cave, said my brother.
“不要太靠近洞口点火，风会把火吹灭的；也不要太靠里面，那样烟会充满山洞的，”我弟弟说，