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...
One of the parents was a most obnoxious character. No-one liked him...其中一位家长极为惹人厌，没人喜欢他。He is an obnoxious hick.他是个讨厌的乡巴佬。These fires produce really obnoxious fumes and smoke.这些火炉冒出来的烟气确实很难闻。Excision of an obnoxious pass...