(of something very old 古老的东西 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. 该时期内仍然存在数量有限的文件。
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’.