| 单词 | silica |
| 释义 | sil·icaBrE /ˈsɪlɪkə/ NAmE /ˈsɪlɪkə/ noun [U ] (symbol SiO2 ) a chemical containing silicon found in sand and in rocks such as , used in making glass and quartz, used in making glass and cement二氧化硅 |
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