及物动词

1. 发掘，挖掘（古物等）
When archaeologists or other people excavate a 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. remove the inner part or the core of

e.g. the mining company wants to excavate the hillside

Synonym: dighollow

2. form by hollowing

e.g. Carnegie had a lake excavated for Princeton University's rowing team
excavate a cavity

3. find by digging in the ground

e.g. I dug up an old box in the garden

Synonym: dig upturn up

4. recover through digging

e.g. Schliemann excavated Troy
excavate gold

Synonym: unearth