调查人员的用法和样例：
例句
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调查人员在飞机残骸中搜索，希望找出造成这一悲惨事件的原因。
Investigators are searching the wreckage of the plane to try and find the cause of the tragedy. -
调查人员碰了壁，谁也不回答他们的问题。
The investigators were confronted by a wall of silence. -
两个调查人员各自做出的结论简直完全一致。
Two independent investigators have reached virtually the same conclusions. -
调查人员发现一条沟中有人的尸体。
Investigators found a trench containing human remains.
