AChinesetrafficpolicemanpreventedaterribleaccidenttha...
问题详情： AChinesetrafficpolicemanpreventedaterribleaccidentthankstohisexperience.Hisactionhelpedhimwinalotofpraisefromtheworld. LiWeiqi,thetrafficpolicemanondutyonApril21,wasworkingatabigbusycro...