求翻译：美国摄影师，当夏洛特·杜马近年来走访得克萨斯、马里兰等9个州，找寻这些搜救犬的下落时，发现当年的搜救犬只有12位“勇士”还尚在人间是什么意思？

American photographer, visited in recent years when Charlotte Dumas Texas, Maryland and other nine states, to find the whereabouts of these search and rescue dogs, rescue dogs found then only 12, "Warriors" also still human

The American photographer, when Charlotte Duma visits in recent years, such as Texas, Maryland, nine States find these rescue dogs, they found the whereabouts of rescue dogs that year only 12 members of the "warriors" also are alive

American photographers, when Charlotte · Du Ma visited Texas, Maryland in recent years and so on 9 states, when pursued these search and rescue dog the whereabouts, discovery same year search and rescue dog only then 12 “brave warrior” also still at world

United States photographers, when xialuote·Duma visited 9 States such as Maryland, Texas, in recent years, searching for the whereabouts of the search and rescue dog, found when the search and rescue dogs is 12-"warrior" is also in the human world

United States photographers, when xialuote·Duma visited 9 States such as Maryland, Texas, in recent years, searching for the whereabouts of the search and rescue dog, found when the search and rescue dogs is 12-"warrior" is also in the human world