overcrowding

a.人口过密的

overall, overalls, overarm, overawe, overbalance, overbearing, overbearingly, overbid, overblown, overboard, overbook, overburden, overcapitalization, overcapitalisation, overcapitalize, overcapitalise, overcast, overcharge, overcoat, overcome, overcrop, overcrowded, overdo, overdose, overdraft, overdraw, overdrawn, overdress, overdrive, overdue, overeat, overemphasize, overestimate, overexpose, overexposure, overextend, overfish, overflow, overfly, overfulfil, overgrown, overgrowth,