Perchlorethylene
n. [化]全氯乙烯
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
To prepare breakfast
准备早餐
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。