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silica

英/sˈɪlɪkɐ/
美/ˈsɪɫəkə/

美式其他读音 /ˈsɪɫɪkə/

01n.

硅石, 二氧化硅

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