"The prisoners are safely pounded"
poundn.磅;英镑n.(汽车)扣押所;宠物收留所vt.捣碎;敲打;连续猛击vi.咚咚地走;怦怦地响
pound compression多级压缩,双级压缩
pound-soil test击实试验
pound a typewriter用打字机打字
pound apothecaries磅(药衡单位; 等于373.;24克)
pound the pavement徘徊街头找职业
pound one's brainsn.蝶形孔型轧制法