barnacles

名词 barnacle:

1. marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
   同义词：barnacle, cerriped, cerripede
2. European goose smaller than the brant; breeds in the far north
   同义词：barnacle goose, barnacle, Branta leucopsis