Trichromate
三铬酸盐
🗣️ 情景例句
when all my favorite people live here?
而所有我喜欢的人都在这里呢？
She is an honor to our school.
她是我校的光荣。
Good.now we can go ahead and write up the order.
好极了，现在我们可以准备下单了。