门捷列夫
Dmitri Ivanovich Mendeleev (1834-1907), Russian chemist who introduced the periodic table
词频 2.3
含义
- Dmitri Ivanovich Mendeleev (1834-1907), Russian chemist who introduced the periodic table
Dmitri Ivanovich Mendeleev (1834-1907), Russian chemist who introduced the periodic table
词频 2.3