Cobaltinitrite
亚硝酸根合高钴酸盐
🗣️ 情景例句
I'd miss them a lot,
我会非常想念他们的，
He is distinguished as an economist.
他是一名著名的经济学家。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前请你吃饭。周四怎么样？