马萨诸塞州塞勒姆大学的运动科学助理教授贾克琳·诺伯格说，正是这种奇特的形式使竞走成为一项有吸引力的活动。
It's this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.
使门户如此有吸引力的是其对集成的承诺。
What makes portals so attractive is the promise of integration they offer.
烟草公司利用包装和其它广告技术使烟草有吸引力，同时使消费者忽视烟草如何破坏健康的严酷现实。
Tobacco companies use packaging and other advertising techniques to make tobacco appealing, while distracting consumers from the harsh reality of how tobacco destroys health.
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