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....
Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...
Magnetic coils focus the electron beams into fine spots.磁线圈把电子束聚焦成微小的点。Coils buried in tunnels below the ground might soon be used to store large amounts of electricity.埋在地下隧道里的线圈可能很快就会被用来储存大量的电。Air cooling coils in most...
My tireless little cilia make about ten sweeping strokes a second.我那不怕疲劳的小纤毛每秒钟约做10次清扫动作.Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses.健康的皮肤, 粘膜和纤毛是许多病毒的天然屏障.Epithelium can also bear cil...
Both groups on either side are just picking off innocent bystanders.对峙双方都只是在瞄准射击无辜的旁观者。innocent bystanders at the scene of the accident事故现场的无辜旁观者Bystanders claim they were manhandled by security guards.旁观者声称他们遭到了保安人员的粗暴推...
欧洲人的 “ 美洲 ” 不过是一些孤立的沿海定居点.European " America " was no more than a string of isolated coastal settlements.射击发生在约旦谷的以色列定居点.The shooting happened near an Israeli settlement in the Jordan Valley.他们的神殿 、 道路和定居点遍布整个卡利姆多大陆.Thei...
There is a credibility gap developing between employers and employees.雇主和雇员之间出现了信任危机。The implication that marital infidelity enhances a leader's credibility is preposterous.婚姻不忠会提升领导人可信度的暗示荒谬之极。The president will ha...
Me and my mate went to score a kilo of amphetamine down in London.我和爱人去伦敦市区搞到了一公斤苯丙胺。Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.苯丙胺类物质是一大类人工合成的以苯丙胺为母体的化合物.Amphetamine is a dr...