VOA News 조회 수 129 추천 수 0 2013.12.05 07:21:04
The American space Agency, NASA, helped develop FINDER, a tool that can find people hidden behind concrete and other wreckage. Finder could save lives as a disaster response tool.
From: VOA Learning English
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원문출처 : http://www.youtube.com/watch?v=V6v87m76cIE&feature=youtube_gdata