Radioactive vitamine b12
[化] 放射性维生素B12
🧩 词语组成解析
n. 维生素, 维他命
🗣️ 情景例句
It has six words.
有六个字。
You are shorter than I am.
你比我矮。
During his first year, Chaplin acted in 35 films, many of which he wrote and directed himself.
在第一年里，卓别林演了35部电影，其中的许多电影是他自编自导的。