名词

1. 钠
Sodium is a silvery-white chemical element which combines with other chemicals. Salt is a sodium compound.

2. (发出橙色强光的)钠光的
Sodium lighting gives out a strong orange light.

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)

Synonym: Naatomic number 11