ex·tant
adjective/ekˈstænt/, /ˈekstənt/
/ekˈstænt/, /ˈekstənt/
(formal)- (of something very old) still in existence
尚存的；现存的 - extant remains of the ancient wall
尚存的古城墙遗迹 - A limited number of documents from the period are still extant.
这一时期的少量文件仍然存在。
Word Originmid 16th cent. (in the sense ‘able to be publicly seen or reached’): from Latin exstant- ‘being visible existing’, from the verb exstare, from ex- ‘out’ + stare ‘to stand’. - extant remains of the ancient wall