Oppanol
[化] (商)聚异丁烯橡胶
🗣️ 情景例句
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
You'll solve the problem if you concentrate upon it.
如果全神贯注，你就会解决这个问题。
He had a good many friends here.
他在这儿有很多朋友。