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        讀音:bǎn yán

        基礎釋義

        由頁巖等泥質巖石變質而成的巖石。均勻致密且具有板狀劈理,質地堅硬 ,敲擊有清脆響聲,可劈成平整石板??勺魑萃叩冉ㄖ牧稀?/p>

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