英语词汇“first down”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	first down
释义	first down noun : the first in a series of four downs in which a football team must net a 10-yard gain to retain possession of the ball; also : the right to start such a series
随便看	osseta ossete ossetian ossetic ossetine ossetra ossi ossi- ossia ossianic ossicle ossicle ossicular ossiculate ossiculated ossiculectomy ossiculotomy ossiculum ossific ossification ossification ossificatory ossified ossifier ossifrage

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