Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
This method should be widely promoted.
这种方法应该推广。
Any personal hobbies such as sports, music and collecting stamps never had a place in his life.
任何一种个人的业余爱好，如体育活动，音乐，集邮等等在他的生活中从未有过地位。
What stores do you want me to order, Sir?
先生，您想要我订购些什么储存品？