Perchromate
n. [化]过铬酸盐
🗣️ 情景例句
Sure. Come on.
当然记得。你来吧。
There is life in the old dog yet.
老当益壮。
He waited until someone new joined the company and then began to steal.
他等待有人刚加入公司后才开始偷窃。