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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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光：照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔，然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力