Trichromate
三铬酸盐
🗣️ 情景例句
Where did you find the dog?
你在什么地方找到这只狗的呢？
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。