磨石粗砂岩

磨石粗砂岩
shíshāyán

millstone grit

1 meaning
MEANING

MEANING

  1. noun

    millstone grit

    • Millstone coarse sandstone is a type of hard rock.

STROKE ORDER
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解字

CHARACTER ANALYSIS

Grinding stone processes thorny fibers into fine cloth — that is the meaning of the character.

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