Polyoxamide
聚乙二酰胺
🗣️ 情景例句
We love you, Daddy.
我们爱你， 爸爸。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
I looked at the map and then at the millimeter.
我看了看地图，又查了一下里程表。