Backpacking
n. 徒步旅行
📖 牛津释义
backpacking
n [U].
🗣️ 情景例句
This sentence doesn't make any sense.
这个句子完全讲不通。
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
It has belonged to our family for a long time.
我们家有这件乐器已经很久了，