Objective To investigate the best clinostatism in senile patient after lumbar puncture.目的探讨提高老年患者腰穿术后舒适且又安全的合适卧位.Objective To evaluate the long - term effect of discectomy for lumbar disc herniation.目的探讨开窗减压髓核摘除术治疗腰椎间盘突出...
北美产的任何一款汽油动力汽车都无法达到中国目前的燃料效率标准.No gasoline - powered car assembled in North America would meet China's current fuel - efficiency standard.北美产的燕八哥,和牛在一起并在其他鸟类的巢中下蛋.North American blackbird that follows cattle and lay...
全国的核武器工厂均受到了有毒废弃物的严重污染。Nuclear weapons plants across the country are heavily contaminated with toxic wastes.他们应当停止从油轮上往海里倾倒废弃物。They should stop offloading waste from oil tankers into the sea.放射性废弃物有严重污染的危险.There is a dan...