overpopulation

n.人口过剩

overjoyed, overkill, overland, overlap, overlapping, overlay, overleaf, overload, overlook, overlord, overly, overmanned, overmanning, overmastering, overnight, overpass, overpay, overpayment, overplay, overpopulated, overpower, overpowering, overprint, overrate, overrated, overreach, override, overriding, overrule, overrun, overseas, oversee, overseer, overshadow, overshoe, oversight, oversleep, overspill, overstaffed, overstate,