NA
北美洲、國立研究院院士、國立研究院、國民軍
鈉(11號元素)
學術名詞
- 網路配接器:通訊工程
- Na點:醫學
- 航海曆:海事
- 未奉准的:海事
- 未授權的:海事
英文釋義
- 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)