Copolyimide
共聚多酰胺
🗣️ 情景例句
That'll cheer you up.
这样会让你舒畅些。
You can stay assured that shipment will be effected according to the contract stipulation.
你尽管放心，我们将按合同规定如期装船。
You look as if you didn't care.
你看上去好像满不在乎。