excavates

英 [ˈekskəveɪts]

美 [ˈekskəveɪts]

v. 发掘，挖出(古建筑或古物); 挖掘，开凿，挖空(洞、隧道等)
excavate的第三人称单数

柯林斯词典

VERB 发掘，挖掘（古物等）
When archaeologists or other peopleexcavatea piece of land, they remove earth carefully from it and look for things such as pots, bones, or buildings which are buried there, in order to discover information about the past.
1. A new Danish expedition is again excavating the site in annual summer digs.
  一支新的丹麦探险队又在那个遗址上进行一年一度的夏季挖掘。
VERB 挖;开凿
Toexcavatemeans to dig a hole in the ground, for example in order to build there.
1. A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.
  雇了一个承包商抽干水库的水，挖掉一个区域的泥土后再用黏土填上。