Epoxidation
[有化]环氧化作用
🗣️ 情景例句
I couldn't be more sure, Susan.
我再确定不过了， Susan。
Yes, I'm watching Channel 5.
是的，我在看5频道。
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。