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- Behind the Line Air Force 后方空军
- The players stationed behind the line of scrimmage. 后卫防守在并列争球线后面的队员
- One of the two players positioned near the flanks behind the line of scrimmage. 中卫在争球线之后靠近侧翼的并列两名队员之一
- Your feet must be behind the line when you serve(= in tennis). 发球时你的脚必须站在底线的外面。
- Stand behind the line and wait for your turn, please. 请站在线后等着轮到你。
- Now, men are enlisting for the air force. 现正在招募空军。
- The replays show that Serena's foot was behind the line when she served. 重放录像显示，小威在发球时她的脚是在底线之后的。
- Stand a few paces behind the ball and look down the line toward the target. 站在球后放几步开外,向着球将飞去的方向观察。
- In World War II, General Lee was in command of the air force. 二战期间，李将军统率空军部队。
- A brief gathering of a team's players behind the line of scrimmage to receive instructions for the next play. 球员的聚集队员们在争球线后短暂的集合，接受对接下来的比赛的战术指导
- A lateral pass from the back receiving the snap from the center to another back behind the line of scrimmage. 横传一记横传，在对阵争球线后由一个接到从中间向后传的球的后卫自中心向另一后卫传出
- John's brother signed up with the Air Force, something he always wanted to do. 约翰的哥哥已报名参加了空军，这是他渴望已久的。
- The backfield player whose position is behind the line of scrimmage and who usually calls the signals for the plays. 四分卫后场运动员，位置在开球线后面，通常为比赛发号指令
- The air force rendezvoused over southern England. 机群在英国南部上空集合。
- To throw a ball to the ground in order to stop play and avoid being tackled behind the line of scrimmage. 掷成滚地球将球掷到地上以便停止比赛或避免在前锋线后被抱住而输球
- They infiltrated behind the lines so as to annoy the emery replacements. 他们渗透敌后以便骚扰敌军的调度。
- My brother joined the air force last year. 我哥哥去年参加了空军。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
- How much do you know about the Royal Air Force? 你对皇家空军了解多少?
