silicas

 
['s?l?k?z]     ['s?l?k?z]    
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silicas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 silica:
  1. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite

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