Epoxyethane
环氧乙烷
🗣️ 情景例句
I was expecting him here at five forty-five.
我们约好了五点四十五在这里会面的。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
You can't go in no matter who you are.
不管你是谁，都不能进去。