Cobaltinitrite
亚硝酸根合高钴酸盐
🗣️ 情景例句
Hello, how are you doing today?
你好， 今天怎么样？
I always used to leave for work at 8:30.
我过去总是在8:30离开去工作。
This is what the sculptor must do.
而雕塑家就必须做到这一点。