常見例句between +420 and +589) as a device to allow several farmers to work at the same quern . 譯文：到南朝（420-589年）時，又加上了連桿，使幾個人能共同推動一盤人力磨。Querné 凱爾內stone quern 石磨盤quern stonen. 磨石 返回 quern