Read Edit View history 笔芯 bǐxīn refill Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 笔芯/筆芯 · bǐxīn · refill 2026/03/04 笔芯 / 筆芯 bǐxīn refill pencil lead; pen refill 这支圆珠笔的笔芯用完了。 noun created sense Mar 4, 2026, 02:25 AM