Cobalamin
n. 钴胺素, 维生素B12\\n[医] 钴胺
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
How did you like the game?
你觉得这场比赛怎么样？
Excuse me. What's that over there?
请问，那边是什么东西？