资料来源 : pyDict

急拉,抽搐,阵痛急拉,攫取,抽动急拉,抽搐,阵痛

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

Twitch \Twitch\, v. t. [imp. & p. p. {Twitched}; p. pr. & vb. n.
   {Twitching}.] [OE. twicchen, fr. (doubtful) AS. twiccian;
   akin to AS. angeltwicca a worm used for bait, literally, a
   hook twitcher, LG. twikken to tweak, G. zwicken. Cf.
   {Tweak}.]
   To pull with a sudden jerk; to pluck with a short, quick
   motion; to snatch; as, to twitch one by the sleeve; to twitch
   a thing out of another's hand; to twitch off clusters of
   grapes.

         Thrice they twitched the diamond in her ear. --Pope.

Twitch \Twitch\, n.
   1. The act of twitching; a pull with a jerk; a short, sudden,
      quick pull; as, a twitch by the sleeve.

   2. A short, spastic contraction of the fibers or muscles; a
      simple muscular contraction; as, convulsive twitches; a
      twitch in the side.

   3. (Far.) A stick with a hole in one end through which passes
      a loop, which can be drawn tightly over the upper lip or
      an ear of a horse. By twisting the stick the compression
      is made sufficiently painful to keep the animal quiet
      during a slight surgical operation. --J. H. Walsh.

资料来源 : WordNet®

twitch
     n : a sudden muscle spasm; especially one caused by a nervous
         condition [syn: {twitching}, {vellication}]
     v 1: make an uncontrolled, short, jerky motion; "his face is
          twitching" [syn: {jerk}]
     2: move with abrupt, seemingly uncontrolled motions; "The
        patient's legs were jerkings" [syn: {jerk}]
     3: toss with a sharp movement so as to cause to turn over in
        the air [syn: {flip}]
     4: squeeze tightly between the fingers; "He pinched her
        behind"; "She squeezed the bottle" [syn: {pinch}, {squeeze},
         {twinge}, {tweet}, {nip}]
     5: move or pull with a sudden motion