動詞 excavate:

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

1. Excavate an ore-rich hillside.
   在富礦山上挖洞穴

ex.ca.vate

v.（動詞）
ex.ca.vat.ed,ex.ca.vat.ing,ex.ca.vates
v.tr.（及物動詞）
To make a hole in; hollow out:
開鑿：鑿洞；挖空：
例句：
excavate an ore-rich hillside.
在富礦山上挖洞穴

To form by hollowing out.
挖空：挖空成某種形狀
To remove by digging or scooping out.
挖出：挖出以運走
To expose or uncover by or as if by digging:
挖掘：用挖掘或類似挖掘的辦法揭開或移去：
例句：
excavate an archaeological site.
挖掘考古現(xiàn)場

v.intr.（不及物動詞）
To engage in digging, hollowing out, or removing.
挖掘：忙于挖掘、開鑿或運走

來源：
Latin excav3re excav3t- [to hollow out]
拉丁語 excav3re excav3t- [鑿空]
ex- [ex-]
ex- [前綴，表.出自….]
cav3re [to hollow] from cavus [hollow] * see keu…-
cav3re [開鑿] 源自 cavus [空的] *參見 keu…-