astride /əˈstraɪd/
  (a.)(ad.)橫跨,跨騎,跨越
  A·stride adv.  With one leg on each side, as a man when on horseback; with the legs stretched wide apart; astraddle.
     Placed astride upon the bars of the palisade.   --Sir W. Scott.
     Glasses with horn bows sat astride on his nose.   --Longfellow.
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  astride
       adv 1: with one leg on each side; "she sat astride the chair" [syn:
               astraddle]
       2: with the legs stretched far apart