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单词 mast
释义 mast
mast1
 —mastless,  adj.   —mastlike,  adj.  
 /mast, mahst/,  n.  
  1.  Naut.  
   a. a spar or structure rising above the hull and upper portions of a ship or boat to hold sails, spars, rigging, booms, signals, etc., at some point on the fore-and-aft line, as a foremast or mainmast.
   b. any of a number of individual spars composing such a structure, as a topmast supported on trestletrees at the head of a lower mast.
   c. any of various portions of a single spar that are beside particular sails, as a top-gallant mast and royal mast formed as a single spar.
  2. Also called pillar. the upright support of a jib crane.
  3. any upright pole, as a support for an aerial, a post in certain cranes, etc.
  4. before the mast, Naut. as an unlicensed sailor: He served several years before the mast.
  v.t.  
  5. to provide with a mast or masts.
 [bef. 900; ME; OE maest; c. G Mast; akin to L malus pole]
mast2
 /mast, mahst/,  n.  
 the fruit of the oak and beech or other forest trees, used as food for hogs and other animals.
 [bef. 900; ME; OE maest; c. G Mast; akin to MEAT]
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更新时间:2024/12/23 13:40:27