pinnigrade / ˈpɪn ɪˌgreɪd /

🎓大学词汇凤毛麟角凤仙花凤头凤尾狮

pinnigrade 的 2 个定义

adj. 形容词 adjective
  1. moving by means of finlike parts or flippers, as the seals and walruses.
n. 名词 noun
  1. a pinnigrade animal.