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silica

/'silikә/

托福英语词汇

📖 中文释义

  1. n. 硅石, 二氧化硅
  2. [化] 二氧化硅

🧩 词形变化

复数 silicas

💬 双语例句

  1. The country has substantial untapped deposits of metals and non-metallic minerals, including phosphate, gold, zinc, bauxite, and high-quality silica. Its retail sector is already growing quickly, but it lags behind in areas like e-merchandizing and supply-chain efficiencies.

    沙特有诸多行业具备极强的扩张潜力。 该国拥有大量未经开发的金属和非金属矿物，包括磷酸盐、黄金、锌、铝土矿以及高品质的硅土。 其零售部门已经在迅速增长，但在电子商务和供应链效率方面仍相对落后。

🔗 常用搭配

quality silicahigh quality silicasilica its retail
📘 English Definition（英文释义）
  1. n. 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