excavation

A second excavation, in 1985, lasted a year and was cut short for technical reasons..第二次挖掘是在1985年，因为技术原因持续了一年就突然停止了。

If he thinks I’m particular about excavation records, you should see him taking pictures!.如果他觉得我对挖掘纪录很挑剔，你应该看看他是怎么拍照的。

Blue flags define the excavation perimeter, while yellow ones mark the location of fossils or stone tools..蓝旗用来显示发掘地的周长，而黄旗用来标明发掘出化石或石制工具的地点。

deep excavation,深挖[工]

underground excavation,地下挖掘

excavation work,挖土工程

rock excavation,岩石开挖，开采岩石

excavation depth,挖掘深度

earth excavation,挖土工程；土方开挖