riddle

习惯用语make a riddle (of)1.■打洞, 穿孔riddle with1.■在...上打许多洞2.■漏洞百出特殊用法cavings riddle1.■颖糠筛, 上筛chaff riddle1.■颖糠筛dressing riddle1.■下筛, 细筛gyratory riddle1.■偏心吊筛oscillating riddle1.■摆动筛paddy riddle1.■水稻筛选机potato riddle1.■马铃薯筛式清选机rotary riddle1.■旋转筛, 圆筒筛screen riddle1.■振动筛separator riddle1.■逐稿器(脱粒机上的)shaker riddle1.■抖动(分离)筛step riddle1.■阶梯式清选筛vibrating riddle1.■振动筛wind riddle1.■风选筛