Electropolymer
带电聚合物
🗣️ 情景例句
That's right. Grandpa hangs it there for good luck.
是的。爷爷把它放在那儿 以求好运。
Ill-gotten goods never prosper.
发横财，家不发
He encouraged Indians to start making their own cotton cloth and to refuse to buy cloth made in England.
他鼓励印度人民自己着手纺纱织布，并拒绝购买英国纺织的棉布。