ex·ca·va·tion /ˌɛkskəˈveʃən/
 挖掘,發掘,挖掘的洞


 ex·ca·va·tion /ˌɛkskəˈveʃən/ 名詞
 陷凹,挖除


 Ex·ca·va·tion n.
 1. The act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.
 2. A cavity formed by cutting, digging, or scooping. “A winding excavation.”
 3. Engin. (a) An uncovered cutting in the earth, in distinction from a covered cutting or tunnel. (b) The material dug out in making a channel or cavity.
    The delivery of the excavations at a distance of 250 feet.   --E. L. Corthell.

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 excavation
      n 1: the act of digging; "there's an interesting excavation going
           on near Princeton" [syn: digging, dig]
      2: the site of an archeological exploration; "they set up camp
         next to the dig" [syn: dig, archeological site]
      3: a hole in the ground made by excavating [syn: {hole in the
         ground]
      4: the act of extracting ores or coal etc from the earth [syn:
         mining]