“sardonyx”的概念、定义、翻译、参考文献-科学参考

单词	sardonyx
释义	sardonyx [sär`dän·iks] ^MINERALOGY An onyx characterized by parallel layers of sard, a deep orange-red variety of chalcedony, and a mineral of different color.
随便看	gear hobber gearing gearing chain gearksutite gearless traction gear level gear loading gear meter gearmotor gear oil gear pump gear ratio gear shaper gear-shaving machine gearshift gear streaks gear teeth gear train gear up gear wheel gebli Gecarcinidae gecko Geco sampler gedanite

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