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amount of substance英英字典_amount of substance剑桥英语解释_amount of substance柯林斯英文解释_94生活常识网有道词典
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amount of substance

A 开头单词

柯林斯词典

    amount of substance

  • 1. N a measure of the number of entities (atoms, molecules, ions, electrons, etc) present in a substance, expressed in moles 物質的量

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