Cobalamine
[化] 钴胺素
🗣️ 情景例句
That's fine with me. I can do it either day.
对我来说时间很适合。两天中哪一天我都可以。
Everything must have a beginning.
凡是都有起源。
What can I eat? asked Mrs Brown.
“吃什么才行呢？”布朗夫人问。