前缀: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 n\v.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)