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While references are not easily accessible, and students' knowledge varies from one to another, they can complement each other, and therefore save much time and energy.
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尽管由于人多参考书相对不那么容易得到，而且学生们的知识结构彼此各不相同，但他们可以相互补充，并且由此节约大量的时间和精力。 |
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While regular phones can cost as little as ￡40-￡50 each, IP handsets cost between ￡100 and ￡150, and their added complexity is likely to require staff training.
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而且由于增加了一些复杂的功能，可能还需要对员工进行培训。 |
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While rejecting Europe's decision to call Hamas a terrorist group, Russia frequently complains that Europeans do not denounce separatist groups in Chechnya as terrorist organizations.
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当拒绝接受欧洲称哈马斯是恐怖组织的决定时，俄罗斯屡次抱怨欧洲人没公开指责车臣分离主义团体是恐怖组织。 |
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While religion seriously hindered the progress of modem science, it also unmistakably played an active role in the rising of science in the modem history.
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宗教曾对近代科学的兴起起过致命的迫害和阻滞作用，但它同时也是近代科学兴起的一个积极因素。 |
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While remaining \'on the bit\' and maintaining a light and soft contact with the rider\'s hand, the horse may quietly chew the bit and should be ready to move off at the slightest indication of the rider.
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颈部抬起，项部高居，马头在垂直线稍前方，保持\'受衔\'姿势，并且和骑手的手保持轻微、柔和的接触，安静地咬著口衔，随时准备按骑手最轻微的指示立即运动。 |
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While removing a briquette using a recently installed pneumatic system, the operator put the system into motion while at the same time holding the area where the piston is located.
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使用新近安装的压缩空气制动系统移动铝块的时候，该操作员将系统启动，同时抓住了这一区域。 |
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While rescuing her friends from a fire, Xiao Qi discovers that she regains her magic power every time she performs a good deed.
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在独自设法救赛金等朋友出火场的过程中，小七发现，每当她做一件好事时，她的仙法又回来了。 |
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While research has suggested that pets can offer people health benefits, a new study from Finland finds that pet owners tend to be heavier, less active and in poorer health than those without a pet.
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虽然有调查表明养宠物有益于身体健康，但芬兰的一项最新研究发现，养宠物的人体重见涨、活动减少，而且健康状况要比那些不养宠物的人差。 |
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While residents of Iqaluit welcome the idea of a deepwater port, they wonder how a town of 6,000 with a housing shortage can accommodate the 500 military personnel that would come with it. “People here were upset,” says Nancy Karetak-Lindell, the Liberal
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而正当伊卡卢伊特的居民对建立深海站的思想表示欢迎之时，他们不禁要问一个存在住房短缺问题的6000人小镇如何能够容纳此项目的500人军事人员。 |
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While residing in Phoenix, Armstrong made a living for almost 25 years off a patented invention that he devised for mounting aluminum-coated Mylar screens in car and truck windows to deflect the brutal Southwestern sun.
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当他住在美国亚利桑那州凤凰城时，将近25年的时间，他以自行发明的专利维生；这项专利是用在车内与车窗上的镀铝聚酯树脂薄膜，可以抵挡美国西南部无情的阳光。 |
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While roasting coffee beans is essential to releasing the desired flavor characteristics of the coffee bean, it also begins the stage of oxidizing.
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当咖啡特有的香气被烘培出来时，也是其开始氧化的过程。 |
