Read Edit View history 延长县 Yánchángxiàn Yanchang County Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 延长县/延長縣 · Yánchángxiàn · Yanchang County 2026/03/04 延长县 / 延長縣 Yánchángxiàn Yanchang County Yanchang county in Yan'an, Shaanxi 延长县是中国陆上第一口油井的所在地。 place name created sense Mar 4, 2026, 02:25 AM