Objective To observe bone mass changes during convalescence after simulated weightlessness.目的观察模拟失重恢复期骨质的变化.After convalescence he had a relapse.他于痊愈之后,病又发作了一次.Most operations are successful and the patient progresses sm...
Experimenters have succeeded in controlling the rate and regularity of the heartbeat.实验者已经成功控制了心跳的速度和频率。She was taken to hospital suffering from an irregular heartbeat.她因心律不齐被送往医院。I was a little breathless and my heartbe...
他两手刚抓住驾驶盘,突然感到一阵钻心的疼痛.He gripped the steering wheel - a burning pain shot through his hand.我吮着疼地钻心的指头在房间里四处乱走, 不觉来到了楼梯口.I walked around the house sucking throbbing finger, finally arriving at the stairway....