单词 | proamphibian |
释义 | > as lemmasproamphibian proamphibian n. Brit. /ˌprəʊamˈfɪbɪən/ , U.S. /ˌproʊˌæm(p)ˈfɪbiən/ Zoology rare a member of the Proamphibia; an early amphibian.ΚΠ 1916 E. S. Russell Form & Function xx. 357 Amphibia do not demonstrably evolve from an archetypal Proamphibian. 1954 Science 17 Dec. 1043/1 The evolution of the fin into a strong footlike structure..would seem to confer greatest immediate..advantage as a more efficient digging mechanism that would enable the proamphibian to remain in contact with the retreating moisture. < as lemmas |
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