Pentabromoethane
五溴乙烷
🗣️ 情景例句
I like to see a job done quickly.
我喜欢速战速决。
If you don't aim high you will never hit high.
不立大志，难攀高峰。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时，汉斯说明了他活下来的经过，