NA
nɑ:, nә
基本解释
北美洲, 国立研究院院士, 国立研究院, 国民军
[医] 钠(11号元素)
英文释义
n 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)
下一个单词：Na-Dene