Polymine
聚乙烯亚胺; 聚乙烯亚胺
🗣️ 情景例句
but I have work to do.
但我有工作要做。
It's nothing special.
这没什么稀奇。
It was so heavy that a crane had to be used to remove it from the lorry.
饼干份量太重了，用了一台起重机才把它从卡车上卸下。