Walker, 步行者

Walkers cross the river Waalbrug during the first day of the 98th annual four-days walking event, the 'Vierdaagse' in Nijmegen, Netherlands, July 15, 2014. The 'Nijmeegse Vierdaagse' is an annual public four-day field march which is held since 1909 in the third week of July. (EPA/ERIK VAN 'T WOUD)
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Photos of the day - July 15, 2014 http://news.yahoo.com/photos/photos-of-the-day-july-15-2014-slideshow/
Yahoo News Photos  http://yahoonewsphotos.tumblr.com/
walker是什么意思_英语在线翻译_walker的翻译、含义、读音、用法、参考例句_沪江小D英语翻译
n. 步行者；学步车
http://dict.hjenglish.com/w/walker

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