| 释义 |
atomic number 19
基本英英
英Noun:a light soft silver-white metallic element of the alkali metal group；oxidizes rapidly in air and reacts violently with water；is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
Noun:
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite |