free safety
US /friː ˈseɪf.ti/
UK /friː ˈseɪf.ti/
1.
游卫
a defensive back in American football who typically plays deep in the secondary and is responsible for covering wide receivers and assisting in run defense
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The free safety made a crucial interception in the end zone.
游卫在端区完成了一次关键的抄截。
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A good free safety needs excellent coverage skills and speed.
一名优秀的游卫需要出色的防守技巧和速度。