pig·gy·back /ˈpɪgiˌbæk/
 (v.)騎在肩上;肩扛;裝載


 piggyback
 揹負


 piggyback
      adv 1: on a railroad flatcar; "the trailer rode piggyback across
             the country" [syn: pickaback, pig-a-back]
      2: on the back or shoulder or astraddle on the hip; "she
         carried her child piggyback" [syn: pickaback, pig-a-back]
      v 1: ride on someone's shoulders or back
      2: haul truck trailers loaded with commodities on railroad cars
      3: haul by railroad car
      4: carry on the back or shoulders; "She piggybacked a sick
         classmate to school"
      5: support on the back and shoulders; "He piggybacked her child
         so she could see the show"