Read Edit View history 岁差 suìchā precession Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 岁差/歲差 · suìchā · precession 2026/03/04 岁差 / 歲差 suìchā precession (astronomy) precession 地球的岁差运动周期大约是两万六千年。 created sense Mar 4, 2026, 02:25 AM