狗狗可以走多久？
这个问题我答不了，但是我可以推荐一个网站给你（虽然有点不切题） 这是一个美国科学家做的实验的博客，记录了他们的研究成果-关于“狗的耐力”的研究 他们找了20只德国牧羊犬，用仪器监测它们的心率和呼吸频率，然后让他们不停的跑48个小时。。。 结果是，当这些狗都坚持不下去了的时候，总共跑了1053公里！这个距离大概相当于从北京跑到天津了~ 下面是其中一些数据： Day 1： 48 hours， 6 minutes and counting... Here is a summary of the first day's efforts by our marathon runners. The dogs ran an average distance of just over 9 hours per lap for nearly 76 laps， totaling about 50 miles！ By comparison， most athletes will run a half marathon (roughly 13.1 miles) in under three hours. In addition to running approximately twice as fast as many humans do on a half-marathon route， the dogs had been doing this nonstop since the beginning of the night！
Day 2： After only one short day off to rest，the pups were back at it again．This time they covered slightly more than double their previous distance， with each dog covering an impressive total of roughly 100 miles！ As we mentioned yesterday，the dogs averaged almost two laps per hour during each of these all-night efforts－a pace that would put them somewhere near No. 25 among all entrants in last year’s New York City Marathon！ We are very impressed by how well they have adapted to training， given that no dog could be expected to go so far without some sort of rest period． However，there has still been no sign of either tiring or boredom from any of the participants！ If today was like yesterday， the pack should finish up around noon tomorrow， making way for yet another 30+ hours of recording！ So keep checking back，and don"t forget to follow us on Facebook！ 翻译成中文大概就是这个意思吧： 第一天：48小时…我们20只参加马拉松训练的狗狗已经分别跑了9小时左右，共约76圈，总路程大概50英里左右；相比之下一般运动员要跑半马（也就是13.1英里）最少也得花三小时呢～而且狗狗们是从头一天晚上就开始跑步的呢~~ 第二天的总结大概就是这样子的样子吧：在休息了一个短短的夜晚之后，狗狗们又继续开始奔跑之旅啦……这次它们居然一口气跑完了比前一天多一倍的路程哦~~~每只狗狗都跑了将近100英哩的距离啊！！而且还是在不停奔跑的状态中哦~~这样的速度差不多能排在纽约马拉松的第25位了呢^^真是太厉害咯！！当然这样一直不停歇地跑下去也是体力透支状态呢，所以狗狗们的步伐也渐渐地慢了下来呀~不过到目前为止还没有一只狗狗有想要停下或者厌倦的感觉呢！现在距离今天的终点还有大概一半的时间，希望明天它们都能撑到最后！！