find (something) in the ground by digging
(从地下)挖掘;掘出。
discover (something hidden, lost, or kept secret) by investigation or searching
发掘;揭露
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they have done all they can to unearth the truth .他们已尽其所能去探索真相。
drive (an animal, especially a fox) out of a hole or burrow
从洞中赶出(动物,尤指狐狸)。