Cobaltinitrite
亚硝酸根合高钴酸盐
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
I don't mind staying up late.
我不在乎熬夜。
I could say nothing but that I was sorry.
我除了说“对不起”之外，什么也说不出来。