| 释义 |
Proganochelys
基本例句
n.原海龟⁵⁰ 龟鳖目;原颌龟科⁵⁰
Proganochelysfurnished no clues to how the turtle shell evolved, however, because its own carapace is fully formed.然而从原颚龟并不能看出龟壳是如何演化出来的，因为牠们已有完整的外壳。
The oldest known turtle,Proganochelysfrom the Late Triassic period of Germany1, has a fully formed shell and offers no clue as to its origin.这项发现同时让人推测，乌龟最早可能是生活在水中而非陆地； |