1、
德国癌症研究中心说，测试显示，单独的吸烟间不能阻止潜在的有害空气粒子飘进非吸烟区。
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2、
and the utilities failed to build up expertise in certain areas, such as robotics.
而公用事业单位也没有在某块如机器人技术领域建立专门的知识或技能。
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3、
He was exiled to the areas after his attempt to overthrow the king had failed.
在推翻国王的企图失败以后,他被放逐到边疆.
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