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单词 trestle
释义 trestle
n.
  1. a supporting structure for a table etc., consisting of two frames fixed at an angle or hinged or of a bar supported by two divergent pairs of legs.
  2. (in full trestle-table) a table consisting of a board or boards laid on trestles or other supports.
  3. (in full trestle-work) an open braced framework to support a bridge etc.
  4. (in full trestle-tree) Naut. each of a pair of horizontal pieces on a lower mast supporting the topmast etc.
Etymology: ME f. OF trestel ult. f. L transtrum
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