Cobamide
钴胺酰胺
🗣️ 情景例句
Maybe.
再说，再说。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
You would not be able to understand why some people find it repulsive.
同时不能理解为什么有人一见章鱼就恶心。