替え芯、替芯
かえしん
kaeshin
JMdict entry #1855500
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noun (common) (futsuumeishi)
spare pencil lead; pen refill (cartridge); replacement wick (e.g. of a lantern)
see: 芯・1
Kanji in this word
Example sentences
この替え芯は半年持つ。
kono kaeshin ha hantoshi motsu 。
This refill lasts half a year.