- Alkali metals, such as sodium and potassium, are highly reactive and can be dangerous if not handled properly.
碱金属，如钠和钾，反应性非常强，如果不小心处理，可能会很危险。
- Lithium, one of the alkali metals, is used in rechargeable batteries for mobile phones and laptops.
锂，作为一种碱金属，广泛用于手机和笔记本电脑的可充电电池中。
- Alkali metals are so reactive that they must be stored under oil to prevent them from reacting with moisture in the air.
碱金属的反应性极强，因此必须将它们储存在油中，以防与空气中的水分反应。
- Because alkali metals readily lose their outermost electron, they are excellent conductors of electricity.
由于碱金属容易失去它们最外层的电子，因此它们是非常好的导电体。
