Epihydrin
[化] 1,2-环氧丙烷
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
The long jump
跳远