Tetrabromoethane
四溴乙烷
🗣️ 情景例句
I'll do it.
我去。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
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。