overnm膨化率overprep.在 ... 的上方；遍及地；在 ... 期间adv.穿过；完全覆盖；结束；落下n.(板球中)每个投球手一次连续所投出的球数over crossing上跨over charging过负载,超载,过量充电over the face满面over fire air燃尽风over-mining超能力开采over a barrel处于不利地位over dwelling居住区过密overfall weir溢劣,溢出口overgrow withv.长满了overpopulatedadj.人口过密的；人口过剩的动词overpopulate的过去式和过去分词形式.