Japanese Lamprey is one of the most primitive extant vertebrate.(日本七鳃鳗是现存最原始而特化的脊椎动物之一。)
The earliest extant manuscript of this poem has been kept in the museum.(此诗现存最早的原稿收藏在这座博物馆里。)
Thee gate, the roof of which has give ridges and four slopes, is China's extant oldest.(大门的顶部有正脊、有四个斜坡，是中国现存最古老的。。)
The number of extant manuscripts, however few, really does not allow scholars to infer how many ancient Latin manuscripts of a work survived to the ninth, the twelfth, or even the fifteenth century.(现存的手稿，不论数量多么少，也不能让学者推断一部作品的古代拉丁手稿有多少存活到了九、十二，甚至是十五世纪。)
Fossils can also be compared with their extant relatives to assess evolutionary changes.(化石也能与它们现存的亲属作比较，以评价其演化变化。)
This is the only picture extant of a stereognathus.(这是仅存的一幅始祖鸟画像。)
To what extant do you agree or disagree?(你在多大程度上同意或者不同意?。)
It is the extant and earliest monograph on dietetic treatment.(这是现存最早的专着和饮食治疗。)
Three of Archimedes' extant works are devoted to plane geometry.(阿基米德现存的三部著作都是献给平面几何的。)
The body of extant scholarship on Griffith was so tiny that it could all be read in a day.(现存的关于格里菲斯的学术论文太少了，一天之内就能读完。)
