英语词汇“law of constant composition”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	law of constant composition
释义	law of constant compositionˌlaw of ˌconstant compoˈsition noun the law of constant composition science, chemistry a scientific principle which states that a substance always has the same number and combination of atoms, and this never changes. For example, there are always only two atoms of hydrogen and one atom of oxygen in a molecule of water
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