backstop

backstop
noun
  1. a person or thing placed at the rear of something as a barrier or support
    后围栏;后盾
    ■(Baseball)a high fence or similar structure behind the home plate area
    (棒球)本垒后的挡球网
    ■(Baseball)a catcher
    (棒球)接(球)手
    ■(figurative)an emergency precaution or last resort
    (喻)支柱
    the human operator has to act as the ultimate backstop when things go badly wrong.
    情况严重时操作人员得发挥最后支柱的作用。
verb
  1. [with obj.](Baseball)act as backstop for
    (棒球)为…当接(球)手
    the man who backstopped the Edmonton Oilers.
    为埃德蒙顿加油人队当接(球)手的那个人。
    reinsurers might become reluctant to continue backstopping American insurers.
    再保险公司或许会不愿继续做美国保险公司的后盾。
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