Cobalamine
[化] 钴胺素
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
To break the routine.
调剂一下。
Nor could he have foreseen how we could use the Internet to obtain information on every known subject, so we can read it on a screen in our homes and even print it as well if we want to.
他也无法预测到我们可以利用国际交互网获取有关任何已知专题的信息，以便在家里的屏幕上阅读，如果愿意的话甚至可以将其打印出来。