Backpacking
n. 徒步旅行
📖 牛津释义
backpacking
n [U].
🗣️ 情景例句
Strike while the iron is hot.
趁热打铁。
You're bound to feel that way at first, I guess.
我想，一开始都会有这样的感觉。
What are you doing, Carol?
卡罗尔，你在干什么？