1
- a thing placed at the rear of something as a barrier or support后盾; 后围栏。
1.1
- Baseball a high fence or similar structure behind the home plate area【棒球】本垒后的挡球网。
1.2
- Baseball a catcher【棒球】接（球）手。
1.3
- figurative an emergency precaution or last resort〈喻〉紧急措施, 最后一招; 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。
with obj.
1- 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
figurative 〈喻〉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。
1.1
- Ice Hockey act as goaltender for【冰球】担当…的守门员。
1.2
- support or reinforce支持; 加强：
the founding banks were backstopping the loans.
几家发起银行已在追加贷款。