大学英语：常用词缀over-

① 表示”过度,过分”

overstudy n.用功过度(over+study学习)

overwork n.过度劳累(over+work工作)

overact v.表演过火(over+act演出)

overdose n.药物过量(over+dose剂量)

overproduction n.生产过度(over+productoin生产)

overcrowded a.挤满的(over+crowded拥挤的)

② 表示”在……之上”

overlap nv.重叠(over+lap交叉→[大腿]交叉→重叠)

iverride v.推翻,不理会(over+ride骑→骑在上面→推翻[下面的])

overwhelm v.压倒;泛滥(over+whelm推翻→翻过来→压倒)

overbridge n.天桥(over+bridge桥→上面的桥→天桥)

overlook v.俯视;疏忽(over+look看→在上面看→俯视,z上申为疏忽)

overcoat n.外套(over+coat衣服→在衣服上的衣服→外套)

overcome v.战胜,克服(over+come来→来到上面→战胜)

③表示“翻转”

overturn 颠覆(over+rurn转→翻转)

overthrow　推翻(over+throw扔→扔翻了→推翻)

overhaul彻底检修(over+haul拉→拉过去检修)