Trichromate
三铬酸盐
🗣️ 情景例句
I'm presently making five thousand a month.
我目前的薪水是5000元。
In may ways, yours is a better plan.
你的计划在许多方面比其他人的好。
There's a zoo in the park. We can go and have a look at the animals.
公园里有个动物园哩。我们可以去看看动物。