词汇	负期
释义	负期 fù qī失期。
随便看	unifocal lens Unifocal PVCs unifocal ventricular tachycardia unifocon a unifocon A unifolia Uniform Application Sustaining Platform uniform approximation uniform approximation method uniform a priori estimate unifoliate unifoliate compound leaf unifoliolate unifoliolates unifolius unifollicular unifom index Unifomity unifoml design unifomly variational exhaustive unifom theory unifonn convergence of operators unifonnity of dayighting Unifont unifor