a system of ropes and pulleys绳索滑轮系统Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddlers, policemen and servants.这些人有的拉车,有的做小买卖, 有的当巡警,有的当仆人....
直肠炎常见于骨盆放射治疗的病人.Proctitis is common in patients undergoing pelvic radiation therapy.在一些非特异性肠炎病例中,观察到阳性反应.In some cases of nonspecific enteritis positive reactions were observed.上班族如何治疗胃病及慢性肠炎?How does office worker treat...
Baseball movies have gained an appreciation that far outstrips those dealing with any other sport.以棒球为主题的电影获得的青睐远远超过了其他体育类电影。The significance of the foreign exchange market outstrips its impressive size.外汇市场的意义超出了它给人的印象尺...