Thylization
乙基化
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
His health has been lousy.
他的健康状况近来很糟。
After that day they were separated, never to see each other again.
那日一别，他们再没重逢。