Polymine
聚乙烯亚胺; 聚乙烯亚胺
🗣️ 情景例句
Half that time in my own construction company.
一半时间是在我自己的建筑公司。
Constant dropping wears away a stone.
滴水穿石。
When a servant opened the door to fetch some wood, I spoke to her and persuaded her to let me in.
一个仆人开门取柴火时，我和她说话，并说服她让我进去。