excavation

excavation
noun
  1. [mass noun]the action of excavating something, especially an archaeological site
    (指考古地点的)挖掘;发掘
    the methods of excavation have to be extremely rigorous.
    挖掘方式必须极其严格。
    [count noun]students often participate in excavations.
    学生经常参加挖掘活动。
    ■[count noun]a site that is being or has been excavated
    挖掘地
语源
  1. early 17th cent.: from French, or from Latin excavatio(n-), from excavare 'hollow out' (see excavate)
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