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单词 crown tree
释义

Definition of crown tree in English:

crown tree

noun
  • 1A horizontal supporting member in a windmill.

  • 2A horizontal beam resting on two uprights, supporting the roof in a mine.

Origin

Late Middle English; earliest use found in Contract.

Definition of crown tree in US English:

crown tree

noun
  • 1A horizontal supporting member in a windmill.

  • 2A horizontal beam resting on two uprights, supporting the roof in a mine.

Origin

Late Middle English; earliest use found in Contract.

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更新时间:2025/8/7 18:02:35