Polyoxamide
聚乙二酰胺
🗣️ 情景例句
Sit down, Susan.
坐下， Susan。
He watches TV every day.
他每天都看电视。
Really? Are pigs beautiful? I've seen them before, but they weren't beautiful at all!
真的吗？猪会漂亮吗？我以前见过它们，但它们一点也不漂亮！