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)
n. 钠
[化] 钠Na
1. Sodium is an essential mineral for our body.
钠是我们身体所需的必需矿物质。
2. Many processed foods contain high levels of sodium.
许多加工食品含有高水平的钠。
3. Eating too much sodium can lead to high blood pressure.
摄入过多的钠可能导致高血压。