Copolyalkenamer
共聚烯烃
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
We should take due care for this accident.
我们应该对这件事给予应有的注意。
I have just finished my work.
我刚刚完成我的工作。