an instance of being out of proportion with something else 不相称;不匀称 there is a disproportion between the scale of expenditure and any benefit that could possibly result. 支出规模和可能获得的任何收益都不相称。 [mass noun]women undergoing Caesarean section because of feto-pelvic disproportion. 因为胎盘头盆不称而进行剖腹产的妇女。