excavation/ˌɛkskəˈveɪʃən/复数形式excavations1挖掘the act of digging同义词： digdigging2挖掘, 开采the act of extracting ores or coal etc from the earth同义词： mining3挖掘, 坑a hole in the ground made by excavating4挖掘, 考古挖掘现场the site of an archeological exploration同义词： digarcheological site