vanishing foam, Vanishing Spray, 消失的泡沫, 消散式噴霧劑

A referee uses vanishing spray during a referee’s training session in Rio de Janeiro, Brazil. Referees will use vanishing spray during 2014 World Cup to stop defensive walls creeping forward at free-kicks. PHOTO: AP

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A foamy aid for referees | TODAYonline  http://www.todayonline.com/sports/football/foamy-aid-referees

Elsa/Getty
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Why The Refs Are Spraying A Mysterious Foam On The Field During World Cup Games | Business Insider
http://www.businessinsider.sg/white-vanishing-spray-free-kicks-2014-6/#.U6NBv5SSwUs
GR17  http://ghalibrifaldi.blogspot.tw/

Referee Yuichi Nishimura sprays a line after calling for a free kick for Brazil during a Group A football match between Brazil and Croatia.
Photo: Getty Images

Ivorian referee Noumandiez Doue sprays a free kick marker on the pitch during a Group B football match between Chile and Australia at the Pantanal Arena in Cuiaba during the 2014 FIFA World Cup on June 13.
Photo: Getty Images
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The story behind the World Cup referees’ magical vanishing foam | New York Post
http://nypost.com/2014/06/16/the-story-behind-the-world-cup-referees-magical-vanishing-foam/

foam是什么意思_foam的翻译_音标_读音_用法_例句_爱词霸在线词典
vi.起泡沫； 吐白沫
n.泡沫； 泡沫材料，泡沫状物
vt.使起泡沫； 使成泡沫状物
http://www.iciba.com/foam/
巴西世界盃高科技產品盤點 | 大紀元
消散式噴霧劑（Vanishing Spray）
http://www.epochtimes.com/b5/14/6/16/n4179172.htm
巴西世界杯：截至目前的五大喜和五大悲 - BBC中文網 - 英超
http://www.bbc.co.uk/zhongwen/trad/sports/2014/06/140618_wc2014_wc2014_surprises_disappointments.shtml
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