[化] 碱金属; 碱金属元素
[医] 硷金属

词型变化：名词复数形式 : alkali metals

alkali metal的用法和样例：

例句

用作名词(n.)

The free alkali metals react immediately with water to liberate hydrogen.游离的碱金属直接和水中作用，放出氢气。
Conclusion Alkali elements have the positive effect on the crystal of sapphire.结论碱金属元素对山东蓝宝石的结晶有积极的推动作用。

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adopted value of constant