Copolyimide
共聚多酰胺
🗣️ 情景例句
You can't take her promises seriously, she never keeps her word.
她答应的事不用当真，她说话从来不算数。
Do you intend to finish before you leave?
你在出去以前要把它做完吗？
Every day he made one of the smaller animals bring him something to eat.
每天他让一只小动物拿东西来给他吃。