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单词 atomic theory
释义

atomic theory

noun
/əˌtɒmɪk ˈθɪəri/
/əˌtɑːmɪk ˈθiːəri/, /əˌtɑːmɪk ˈθɪri/
[uncountable] (chemistry, physics)
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  1. the theory that all elements are made up of small particles called atoms, which are made up of a central nucleus surrounded by moving electrons
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更新时间:2024/9/20 10:56:42