adj.尚存的，现存的

The extant literature on the subject is sparse, making further research crucial.
关于该主题的现存文献很少，使得进一步的研究至关重要。
Despite being thousands of years old, several extant copies of the manuscript still exist.
尽管有数千年的历史，该手稿的几个现存副本仍然存在。
The extant species of dinosaurs we know today are actually their avian descendants, like birds.
我们今天所知的恐龙现存物种实际上是它们的鸟类后代，比如鸟类。
Researchers have analyzed extant letters to uncover details about the author's personal life.
研究人员分析了现存的信件以揭示作者个人生活的细节。
Many ancient buildings in the city were destroyed during the war, but a few extant ones remain as historical landmarks.
城市中的许多古建筑在战争中被毁，但少数现存的仍作为历史地标保留下来。
The study compared the behaviors of extant primates to infer possible behaviors of their extinct ancestors.
该研究通过比较现存灵长类动物的行为来推断其已灭绝祖先的可能行为。
Despite the popularity of digital media, extant physical books continue to hold sentimental value for many readers.
尽管数字媒体大行其道，但对许多读者来说，现存的实体书仍然具有情感价值。
The discovery of an extant species in a remote jungle challenges our understanding of biodiversity.
在偏远丛林中发现的一个现存物种挑战了我们对生物多样性的理解。
Extant records from the medieval period provide valuable insights into the daily lives of common people.
中世纪时期的现存记录为了解普通人的日常生活提供了宝贵的信息。
Conservation efforts have been intensified to protect the habitat of several critically endangered and extant species.
保护工作已经加强，以保护几个极度濒危和现存物种的栖息地。