资料来源 : pyDict

支架,高架桥

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Trestle \Tres"tle\, n. [OF. trestel, tresteay, F. tr['e]teau;
   probably from L. transtillum a little crossbeam, dim. of
   transtrum a crossbeam. Cf. {Transom}.] [Written also
   {tressel}.]
   1. A movable frame or support for anything, as scaffolding,
      consisting of three or four legs secured to a top piece,
      and forming a sort of stool or horse, used by carpenters,
      masons, and other workmen; also, a kind of framework of
      strong posts or piles, and crossbeams, for supporting a
      bridge, the track of a railway, or the like.

   2. The frame of a table.

   {Trestle board}, a board used by architects, draughtsmen, and
      the like, for drawing designs upon; -- so called because
      commonly supported by trestles.

   {Trestle bridge}. See under {Bridge}, n.

资料来源 : WordNet®

trestle
     n 1: a supporting tower used to support a bridge
     2: sawhorses used in pairs to support a horizontal tabletop