查询词典 quern
- 与 quern 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Between +420 and +589 as a device to allow several farmers to work at the same quern .
到南朝（420-589年）时，又加上了连杆，使几个人能共同推动一盘人力磨
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Polished stone implements such as stone roller and quern, stone spade, toothed stone sickle, and so on, unearthed from Peiligang Site, Xinzheng, Henan Province Ca.
石铲用于松土、播种，石镰用于收割，石磨盘和石磨棒用来加工农作物与采集的植物食物，形成了一套配套农具。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。