graywacke

名词 n.
中文释义

英文释义

名词 n.
  1. Alternative form of greywacke. alt-of,alternative,countable,uncountable
    — Hundreds of projectile points and ceramic pieces from the island are stored in the State Museum in Albany, and archaeologists found human bones at a burial site from the early Woodland period at the back of the rock shelter, a 45-foot-long overhang of graywacke, a local sandstone.

词形变化

graywackes plural
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