相关单词近義詞 allied 聯郃的, attached 附加的, associated 聯郃的, linked 連接的, added 附加的, pig-a-back 在鉄道平車上..., pickaback 騎在背上肩上...臨近詞piggy, piggy-backing, piggyback board, piggyback rights, piggy backsystem, piggyback system, piggyback twistor, piggyback control, piggyback traffic, piggyback service, piggy back system 返回 piggybacking