Polyoxamide
聚乙二酰胺
🗣️ 情景例句
There is power and beauty in Mr. Stewart's work, Stewart
先生的作品中展现出力与美。
How much is a bus ticket?
公共汽车票要多少钱？
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。