硅质岩

guī zhì yán

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Definitions

1. siliceous rock (mostly composed of silica)

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Child Words of 硅质岩

• 岩 岩 yán: cliff
• 硅 硅 guī: silicon (chemistry)
• 硅质 硅质 guī zhì: siliceous
• 质 质 zhì: character