Copolyalkenamer
共聚烯烃
🗣️ 情景例句
He is liked very much because of his courtesy.
他由于彬彬有礼而颇获好感。
I can't imagine that anyone cares about what I do.
我想不出谁会关心我的所做所为。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。