Nitrocobalamin
硝钴胺
🗣️ 情景例句
Oh, Daddy, does that mean we don't have to move?
噢 ，爸爸 ，你的意思是我们不必搬家了？
I know the boy whose father is a scentist.
我知道那个男孩的父亲是科学家。
she said she was not going to make another.She said she was going to retire.
她不准备再拍电影了。她说她准备退休。