Cobalamin
n. 钴胺素, 维生素B12\\n[医] 钴胺
🗣️ 情景例句
I know that area.
我知道那地方。
That's a bad idea if I've ever heard one!
你出这什么馊主意！
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。