alkali metal

常见例句

A soft silvery metallic of the alkali metal group burns in air and reacts violently in water occurs in carnallite and lepidolite and pollucite.
一种软质的银色碱金属元素能在空气中燃烧能与水发生剧烈反应见于光卤石锂云母和铯榴石中。
A soft silvery metallic element of the alkali metal group burns in air and reacts violently in water occurs in carnallite and lepidolite and pollucite.
一种软质的银色碱金属元素能在空气中燃烧能与水发生剧烈反应见于光卤石锂云母和铯榴石中。
A soft silvery metallic of the alkali metal group burns in air and reacts violently in water occurs in carnallite and lepidolite and pollucite.
一种软质的银色碱金属能在空气中燃烧能与水发生剧烈反应见于卤石锂云母和铯榴石中。