Copolyimide
共聚多酰胺
🗣️ 情景例句
Is unwilling to start at the bottom, expects too much too soon.
不愿从基层干起，要求太多。
You can't make bricks without straw.
没有稻草，制砖难搞。
Its origin is still a mystery now.
它的起源至今仍是个谜。