hermit crab

US 
UK 
  • n.寄居蟹
  • Web寄生蟹;借居蟹;寄居蟹在干吗
Plural Form:hermit crabs  
hermit crab
n.
1.
寄居蟹a crab (= a sea creature with eight legs and, usually, a hard shell) that has no shell of its own and has to use the empty shells of other sea creatures

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