Etiocobalamin
[化] 維生素B12P; 本鈷胺
??? 情景例句
No chance!
不可能。
Aren't you relieved that your puppy was finally found?
你的小狗終于找回來了，你應該安心了吧？
deprived of one of the greatest twentieth-century opportunities.
被剝奪了20世紀最優越的機會之一。