Copolyimide
共聚多酰胺
🗣️ 情景例句
What would you like to see me about?
你找我什么贵事？
It never rains but it pours.
祸不单行。（不鸣则已，一鸣惊人。）
But having satisfied the requirements of practical necessity, most people go no further.
但是，大部分人在满足了实际需要后，就不再继续发展这种能力了。