Superpollamide
高分子量多氨基化物
🗣️ 情景例句
I don't want a dead end job.
我不想做没有前途的工作。
He who laughs last laughs best.
谁笑在最后，谁笑得最好。
I'll leave them for you to look over.
我会留下来给你慢慢的看。