First down
01
首攻, 第一次机会
the initial chance for the offensive team in American football to advance the ball by at least ten yards from the spot of the last play
例子
The team gained a first down on their opening drive.
球队在他们的开场进攻中获得了first down。
He caught a pass for a first down.
他接到了一个传球,获得了first down。



























