笔芯

Traditional form:

筆芯

Pinyin (reading):

bǐxīn

Definitions:

• pencil lead; pen refill

Characters:

• 笔 - pen, pencil, writing brush; to compose, to write; Hanzi stroke
• 芯 - core, pith; the pith of a rush (Juncus effusus)

Traditional characters:

• 筆 - pen, pencil, writing brush; to compose, to write; Hanzi stroke
• 芯 - core, pith; the pith of a rush (Juncus effusus)