sodium metallic

例句：

1. 1.This type of metal is used in the production of sodium chloride.
   这种金属用于生产氯化钠。
2. 2. The sodium metal was heated to a high temperature before being cooled.
   钠金属在被加热到高温后被冷却。
3. 3.Sodium metal is a highly reactive element that can react with oxygen and water to form sodium oxide.
   钠金属是一种高度反应性的元素，可以与氧气和水反应形成氧化钠。