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单词 tourbillion
释义 tourbillion
 /toor bil"yeuhn/,  n.  
  1. a whirlwind or something resembling a whirlwind.
  2. a firework that rises spirally.
  3.  Horol.   a frame for the escapement of a timepiece, esp. a watch, geared to the going train in such a way as to rotate the escapement about once a minute in order to minimize positional error. Cf. karrusel.
 [1470-80; earlier turbilloun < MF to(u)rbillon < VL *turbilionem, dissimilated var. of *turbinionem, acc. of *turbinio whirlwind. See TURBINE, -ION]
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更新时间:2024/11/11 19:09:04