n.磨石；重担
He is picking the surface of a millstone. 他正在凿磨石面。
Didn't a woman throw an upper millstone on him from the wall, so that he died in Thebez? 岂不是一个妇人从城上抛下一块上磨石来，打在他身上，他就死在提备斯吗？
