Cobalamine
[化] 钴胺素
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
Why are you looking at me?
你为什么看着我？
One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.
一天晚上，狱卒决定与他的同事开一个玩笑，看看他反复演出这么多场之后，是否已将信的内容记熟了。