[ 复数 backstops 第三人称单数 backstops 现在分词 backstopping 过去式 backstopped 过去分词 backstopped ]
同义词: catcher
"he acted as a backstop in case anything went wrong"
以上来源于: WordNet
N a screen or fence to prevent balls leaving the playing area 挡球网 [sport]
V to provide with backing or support 支持 [美国英语]
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