backstop

中文含义：防护网，（棒球）垫板，（政治）备用政策

英语词性：noun

美式发音： /ˈbækstɑːp/

同义词：shield, buffer, safeguard, precaution

易混淆单词：backpack, backstopper

双语例句：

  1. He set up a steel backstop to protect his property from bullets.
  2. Instead of a backstop, they use a catcher’s mitt on a pole to retrieve pitches.
  3. The backstop is a fallback option in case negotiations fail to produce an agreement.