excavate
v[Tn]
1 (fml 文) make (a hole or channel) by digging; remove (soil, etc) by digging 挖掘(洞或水道、 河床); 掘出(土等)
excavate a trench 挖壕沟.
2 uncover or extract by digging (esp sth from earlier times) 发掘(尤指古物)
excavate a buried city, a Greek vase 发掘出一地下城市、 一希腊花瓶.