sodium
发布时间:英 ['səʊdɪəm]
美['sodɪəm]
- n. [化学] 钠（11号元素，符号 Na）
英英释意
- 1. a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)