障碍

• It let mankind to overcome the obstacles which delayed civilization .
  这促使人类克服了阻滞文明发展的种种障碍。
• Once he had leaped the psychological hurdle, preparation took over .
  一旦他逾越了心理上的障碍，准备也就开始了。
• Hunt jumped a respectable round although his horse was unfit .
  亨特的马状态欠佳，但他纵马跳障碍这一轮还算不错。
• He preferred to dwell upon the recognized barriers between them .
  他还是宁愿把他们两个之间共同承认的障碍谈一谈。
• He was making his way through the dense mass of social antagonisms .
  他毕竟已胜利跨过社交界中敌对情绪的重重障碍。
• Digestive disturbances are common in infections with all the stomach worms .
  消化障碍是各种胃线虫感染的常见症状。
• Resections in children do not produce a permanent physiologic handicap .
  在儿童中，肝切除不致引起永久性生理障碍。
• They constituted a near-insuperable obstacle to the besieging infantry .
  它们就会形成围城步兵几乎不可逾越的障碍。
• A major barrier to interspecific hybridization is sterility in the f1 progeny .
  种间杂交的主要障碍是F1代的不育性。
• Peaceful circulation has been interrupted by barbed wire and concrete blocks .
  和平流通被铁丝网及混凝土障碍所截断。