silica [ˈsɪlɪkə]

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单词级别

扩展级

基本释义

n.硅石，矽土

英英释义

a mineral which exists in various forms , including sand , quartz and flint, and which is used to make glass and cement

参考例句

The oxidation rates are fastest in freshly cleaned silica vessels.在新清洗的二氧化硅容器中，氧化速度是最快的。
The commercial product however,containing silica and silicates,has a positive effect.然而含有硅石和硅酸盐的工业品都有肯定的效果。

silica [ˈsɪlɪkə]

单词级别

基本释义

英英释义

参考例句

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