o·pos·sum
noun/əˈpɒsəm/
/əˈpɑːsəm/
(Australian English, New Zealand English or North American English, informal possum)
- a small American or Australian animal that lives in trees and carries its young in a pouch (= a pocket of skin on the front of the mother’s body)
负鼠（产于美洲或澳大利亚的小动物，在树上生活，携幼崽于母兽育儿袋中） Word Originearly 17th cent.: from Virginia Algonquian opassom, from op ‘white’ + assom ‘dog’.