chemical elements

 
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chemical elements的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 chemical element:
  1. any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

chemical elements的相關(guān)資料:

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