The site urinary tract obstruction and hydronephrosis could be clearly shown.结果所有病例均清晰显示梗阻部位及尿路积水情况.Objective To investigate the ultrasound diagnosis and prognosis of fetal hydronephrosis.目的探讨胎儿肾盂扩张积水的超声诊断和预后.Follow - up...
花常在蜜蜂采蜜时受粉。Flowers are often fertilized by bees as they gather nectar.蜜蜂从花中吸吮蜜汁.Bees suck honey from flowers.蜜蜂忙于采蜜.The bees busied themselves at making honey....