Cobamamide
[化] 腺苷钴胺; 腺苷辅酶B12
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
When is he expected to be back?
他什么时候回来？
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”