piggyback /'pi^ibæk/ 📖 中文释义 a. 背着的, 在背肩上的adv. 背着, 在背肩上 🧩 词形变化 过去分词 piggybacked现在分词 piggybacking过去式 piggybacked复数 piggybacks第三人称单数 piggybacks 📘 English Definition(英文释义) n. the act of carrying something piggybackv. ride on someone's shoulders or backv. haul truck trailers loaded with commodities on railroad cars ← piggy-wiggy P 字母词表 piggyback plant →