1)搭载
2)肩扛
3) verb: support on the back and shoulders (Example: "He piggybacked her child so she could see the show") verb: carry on the back or shoulders (Example: "She piggybacked a sick classmate to school") verb: haul by railroad car verb: haul truck trailers loaded with commodities on railroad cars verb: ride on someone's shoulders or back adverb: on the back or shoulder or astraddle on the hip (Example: "She carried her child piggyback") adverb: on a railroad flatcar (Example: "The trailer rode piggyback across the country")