alkali metal

例句：

1. 1. The alkaline metals are highly reactive and can react with water to form hydroxides.
   碱金属非常活泼，可以与水反应生成氢氧化物。
2. 2. The alkaline metals are used in the production of batteries and other electrochemical devices.
   碱金属用于生产电池和其他电化学设备。
3. 3. The alkaline metals are also known for their ability to dissolve in water and create alkaline solutions.
   碱金属还因其在水中的溶解性和产生碱性溶液的能力而闻名。