potassium
英 [p?'t?s??m]
美[p?'t?s??m]
- n. [化學(xué)] 鉀
英英釋意
- 1. 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