fos·so·ri·al /fɑˈsoriəl, ˈsɔr-/
(a.)掘地的,適于掘地的
Fos·so·ri·al a. Fitted for digging, adapted for burrowing or digging; as, a fossorial foot; a fossorial animal.
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fossorial
adj : (of limbs and feet) adapted for digging [ant: cursorial]