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。
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