Cobamide
钴胺酰胺
🗣️ 情景例句
You must be hungry by now.
你现在一定饿了。
He that is master of himself will soon be master of others.
能主宰自己的人不久就可以主宰别人。
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。