- 黑(black)RADICAL
- 土(earth; material)ASSOCIATIVE
Ink is a black substance made from earth and used for writing.
graphene
graphene
Graphene is a type of new material.
Ink is a black substance made from earth and used for writing.
graphene
graphene
Graphene is a type of new material.
Ink is a black substance made from earth and used for writing.
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