Polyepoxide
聚环氧化物
🗣️ 情景例句
Thank you everyone. Thank you very much.
谢谢大家，非常感谢你们！
Draw water with a sieve.
竹篮子打水一场空。
And you lent me some money too, which I never repaid you.
你还借给我一些钱，这笔钱我还没有还你呢。