1·The oldest extant document is dated 1492.
现存最古老的文件追溯到1492年。
—— 《柯林斯英汉双解大词典》
2·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。
3·A medieval manuscript called L contains all eighteen extant tragedies by the Greek playwright Euripides.
一份名为 L 的中世纪手稿包含了希腊剧作家欧里庇得斯所有现存的十八部悲剧。
4·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。
5·A large meteorite collision, however, would probably create a sudden bright flash of light, and no extant historical records of the time mention such a flash.
然而，大型小行星的撞击可能产生突然的强闪光，而现存的那时的历史记录中没有提到过这样的闪光。