Scientistshavedevisedawaytodetermineroughlywhereaperson...
问题详情：Scientistshavedevisedawaytodetermineroughlywhereapersonhaslivedusingastrand(缕)ofhair,atechniquethatcouldhelptrackthemovementsofcriminalsuspectsorunidentifiedmurdervictims.Themethodreliesonmea...