Cobaltamine
[化] 钴胺素; 维生素B12
🗣️ 情景例句
Well, if I run for office,
嗯 ，假如我出来竞选公职，
I hope to conclude some business with you.
我希望能与贵公司建立贸易关系。
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。