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- American Football a player stationed behind the centre who directs a team's offensive play【美橄】（组织进攻的）枢纽前卫, 四分卫。
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- figurative N. Amer. a person who directs or coordinates an operation or project〈喻, 北美〉（行动或项目的）组织指挥者; 协调者。
with obj.
1- American Football play as a quarterback for (a particular team)【美橄】担任（某队）的枢纽前卫（或四分卫）。
1.1
- figurative N. Amer. direct or coordinate (an operation or project)〈喻, 北美〉指挥, 领导; 协调（行动, 项目）。