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atomic weight

英 美
  • 原子量

详细释义

Noun:
  1. (chemistry) the mass of an atom of a chemical element expressed in atomic mass units

双语例句

    1. Atoms of the same element that differ in their atomic weight are called isotopes.
      具有不同原子量的同一种元素被称为同位素。
    2. Electrons weigh very little, so they aren't even counted in the atomic weight.
      电子非常轻,因此在原子量中甚至没有计算它。

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