excavation [ˌɛkskəˈveʃən]

例句:

• Our new habitation was an excavation made in the earth.
  我们的新居是在地里挖出的一个洞。
  
• The bad weather has hung up the work of excavation.
  天气不好耽误了挖掘工作.
  
• The excavation of the buried city took a long time.
  发掘埋在地下的城市花了很长时间.
  
• We got out to the excavation site...in our twelve-man tender.
  来自M. Rule
• Many other tombs here are still undergoing excavation.
  来自SA
• She's been following the excavation with interest.
  来自VOA