percentn.百分比adv.百分之 ...adj.百分之 ... 的percent of pass合格率percent washout洗脱百分比percentile life百分比寿命percentile rank百分等级percent of void孔隙率percent hearing听力percent passing过筛百分率percentile norm百分位数常模percent nearing听力百分率percent coarser超径的百分数