Na

美音音标: [nɑ:] Na
英音音标: [nɑ:] result.0.expl|add:"

同义
na atomic number 11 sodium
词性
n
解释
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)
示例
None