Perchromate
n. [化]过铬酸盐
🗣️ 情景例句
I have to postpone our appointment.
我要把我们的约会延期。
Your question is how we developed our product?
你的问题是我们是如何发展我们的产品？
We've had to increase our prices on this item by just 8%.
这一种我们不得已也只加了8%而已。