Polyalkylated
[化] 多烷基化的
🗣️ 情景例句
I know how you feel, but there's no need to go on and on about it.
我知道你的感受，可是也没必要这样没完没了。
So far I have been learning about England.
到目前为止，我一直在研究有关英格兰的事情。
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。