Scientists have devised a way to determine roughly where a person has lived using a strand of hair, a technique that could help track the movements of criminal suspects or unidentified murdervictims.
出自-2015年12月听力原文
Todd Park, a local detective, said the method has helped him learn more about an unidentified woman whose skeleton was found near Great Salt Lake.
2015年12月六级真题(第二套)听力 Section C
柯林斯高阶英汉双解学习词典释义
ADJ
未被认出的;未被识别的
If you describe someone or something as unidentified, you mean that nobody knows who or what they are.