1. The dead calices of flowers scattered on the ground like stars;
花朵谢落在地面上，宛如点点星星；
youdao
2. Ultrasonography — This will reveal the degree of dilatation of the renal pelvis and calices and allows for diagnosis of hydronephrosis in the prenatal period.
超声显像：它可展示肾盂及肾盏的扩大程度，及可在胎儿期诊断肾积水。
youdao
3. Ultrasonography — This will reveal the degree of dilatation of the renal pelvis and calices and allows for diagnosis of hydronephrosis in the prenatal period.
