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  1. Oxford Dictionary

    cave-in

    英式

    • n.
      a collapse of a roof or underground structure；an instance of yielding or submitting under pressure

    • noun: cave-in, plural noun: cave-ins

    • 釋義

    名詞

    • 1. a collapse of a roof or underground structure a mine cave-in
    • ▪ an instance of yielding or submitting under pressure the government's cave-in to industry pressure