Read Edit View history 秭 zǐ one thousand millions Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 秭 · zǐ · billion 2026/03/04 秭 zǐ billion billion 在古代数学中，秭是一个极大的计数单位。 abbreviation created sense Mar 4, 2026, 02:25 AM