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单词 moldboard
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mold•board  (mōldbôrd′, -bōrd′),USA pronunciation n. 
  1. the curved metal plate in a plow that turns over the earth from the furrow.
  2. a large blade mounted on the front of a bulldozer to push loose earth.
  3. Buildinga board forming one side or surface of a mold for concrete.
  • replacing earlier moldbred, Middle English mold bred. See mold3 (defs. 1 and 2), mold1 (def. 3), board 1300–50

Collins Concise English Dictionary © HarperCollins Publishers::
moldboard /ˈməʊldˌbɔːd/ n
  1. the US spelling of mouldboard
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