to remove earth that is covering very old objects buried in the ground in order to discover things about the past
发音
例句
1. They plan to excavate a large hole. 他们计划挖个大洞。 2. 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。