Polymethylene derivatives
[建] 聚甲烯衍生物
🧩 词语组成解析
n. [化]聚亚甲基
派生物
🗣️ 情景例句
Well, it was great to see you again. Let's not wait this long next time.
可以再见到你真是太好了，希望我们下次见面不用等这么久。
He likes playing the eletronic organ.
他喜欢弹电子琴。
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。