◎ backpacking是什么意思 n. 徒步旅行 n carrying something in a pack on the backv hike with a backpack backpacking的用法和例句: 1. That backpack. I saw the same backpack at the pier the day the yacht exploded. 那个背包 游艇爆炸那天 我在码头见过同一个背包...