| 释义 |
unˈdouble, v.
[un-2 6.]
1. a. trans. To take out of a doubled or folded state; to straighten out. b. intr. To become unfolded or straight.
1611Florio, Sdoppiare, to vndouble, to vnfold. 1683Moxon Mech. Exerc., Printing xxiv. ⁋15 As he comes to a Token-sheet, he un-doubles that, and smooths out the Crease. 1730A. Gordon Maffei's Amphith. 363 Then undoubling the Rope,..I extended the Rope with a Pin. 1850Thackeray Pendennis lviii, The dirty fist..was obliged to undouble itself. 1889Advance (Chicago) 14 Nov., To Jim's surprise, the fists undoubled, and no angry words came.
2. Chess. trans. To move (pawns) so that one no longer stands directly in front of the other.
1868Illustr. Lond. News 25 Aug. 187 By this advance Dr. Lange undoubles and consolidates the Pawns on the Q's side, and thus adds greatly to the strength of his game. |