NA
中文翻譯：
北美洲, 國立研究院院士, 國立研究院, 國民軍【醫】 鈉(11號元素)
NA
英文解釋：
名詞 na:
- 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)同義詞：sodium, atomic number 11
英文字典