Cobamide
钴胺酰胺
🗣️ 情景例句
Now Max has come into everyone's life.
现在Max走进了每个人的生活里 。
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"