- 黑(black)
- 土(earth; material)
Ink is a black substance made from earth and used for writing.
black lead
Graphite is an allotrope of carbon.
graphite
plumbago
black lead
Graphite is an allotrope of carbon.
graphite
plumbago
Ink is a black substance made from earth and used for writing.
Ink is a black substance made from earth and used for writing.
black lead
black lead
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