NA
/nɑ:, nә/
📖 中文释义
- 北美洲, 国立研究院院士, 国立研究院, 国民军
- [医] 钠(11号元素)
🔗 释义中的汉语词
📘 English Definition（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)