roughern.粗轧机座；粗切机roughadj.粗糙的；粗略的，大概的；粗暴的；艰难的；讨厌的；不适的；汹涌的adv.粗糙地；粗暴地n.粗制品；暴徒；高低不平的路面vt.使粗糙；殴打；草拟rough approximation粗略近似,粗近似rough dwarf disease粗缩病rough wearing fiber粗糙纤维Rough cutting cycle粗车复合循环rough line of femur股骨粗线rough knotweed herb九牯牛rough accommodation粗陋的设备rough balance sheet概算贷借对照表rough decision tree粗糙决策树rough turning lathe粗切车床