后备队员 meaning in English

backuto the first team

You have to pass . you have no choice but to pass . all their backs are out
你要传球,除了传球你没有其他选择-他们没有后备队员了
If they could compete in the olympics , animal athlets would turn our superstars into benchwarmers . so what secrets make them such natural born winners
如果动物能参加奥运会，体坛巨星们恐怕只有当后备队员的份了。那么，是什么秘密使它们成为天生的赢家？