单词	alpha quartz
释义	alpha quartz noun : quartz with trigonal-trapezohedral symmetry : the stable form of quartz below about 573° C Word History First Known Use 1874, in the meaning defined above
随便看	ichnographies ichnography ichnolite ichnolites ichnologies ichnology icho ichor ichorous ichors ichs ichthus ichthuses ichthy- ichthyic ichthyo- Ichthyobdella ichthyobdellid Ichthyocephali Ichthyodea ichthyodian ichthyodont ichthyodorulite ichthyodorylite ichthyofauna

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