excavate

动词 excavate:

1. lay bare through digging
   同义词：unearth
2. find by digging in the ground
   同义词：dig up, turn up
3. form by hollowing
4. remove the inner part or the core of
   同义词：dig, hollow

1. Excavate an ore-rich hillside.
   在富矿山上挖洞穴

ex.ca.vate

v.（动词）
ex.ca.vat.ed,ex.ca.vat.ing,ex.ca.vates
v.tr.（及物动词）
To make a hole in; hollow out:
开凿：凿洞；挖空：
例句：
excavate an ore-rich hillside.
在富矿山上挖洞穴

To form by hollowing out.
挖空：挖空成某种形状
To remove by digging or scooping out.
挖出：挖出以运走
To expose or uncover by or as if by digging:
挖掘：用挖掘或类似挖掘的办法揭开或移去：
例句：
excavate an archaeological site.
挖掘考古现场

v.intr.（不及物动词）
To engage in digging, hollowing out, or removing.
挖掘：忙于挖掘、开凿或运走

来源：
Latin excav3re excav3t- [to hollow out]
拉丁语 excav3re excav3t- [凿空]
ex- [ex-]
ex- [前缀，表.出自….]
cav3re [to hollow] from cavus [hollow] * see keu…-
cav3re [开凿] 源自 cavus [空的] *参见 keu…-