During a video call with NASA astronauts Monday, President Donald Trump joked that he wouldn't want to re-use human urine as drinking water -- a practice common in US spaceflight.
원문출처 : http://www.cnn.com/2017/04/24/politics/trump-nasa-astronaut-urine-joke/index.html
원문출처 : http://www.cnn.com/2017/04/24/politics/trump-nasa-astronaut-urine-joke/index.html