花岗岩主要由石英和长石等硅酸盐矿物组成。

Granite is mainly composed of minerals like quartz and ___silicates.

这种玻璃含有硅酸盐以提高耐热性。

This glass contains ___silicate to enhance heat resistance.

这种玻璃的主要成分是硅酸盐。

The main component of this glass is ___silicate.