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共找到 9 与crosswalk 相关的结果,耗时4 ms rss sitemap
What’s the cause of the crosswalk safety problem according to the test?A. There’re many cars and buses on the road.B. Pedestrians are careless.C. Cro
DCities alarmed by deaths and injuries of pedestrians are taking efforts to make crosswalks safer for people on foot, especially seniors and children
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