| 释义 |
challenge flag noun[ C ] uk /ˈtʃæl.ɪndʒ ˌflæɡ/ us /ˈtʃæl.ɪndʒ ˌflæɡ/ a red cloth with a weight on one end that is thrown onto the field in American football to signal a team's wish to challenge an official's decision and have the official watch the play again on video, with the possibility that the official will see something not seen before and change the decision: The head coach threw his challenge flag, but the play stood as called. His knee hit the ground at about the same time he released the pass, and the coach reached for his red challenge flag. SMART Vocabulary: related words and phrases American football attempt audibilize back judge blitz blocker bootleg dime flare formation forward pass forward progress free play free safety point after pulling blocker pump-fake punt return specialist returner turnover
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