Read Edit View history 历史背景 lìshǐbèijǐng historical background Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 历史背景/歷史背景 · lìshǐbèijǐng · historical background 2026/03/04 历史背景 / 歷史背景 lìshǐbèijǐng historical background historical background 了解这件事的历史背景很重要。 created sense Mar 4, 2026, 02:25 AM