Backpacking
n. 徒步旅行
📖 牛津释义
backpacking
n [U].
🗣️ 情景例句
when she was running for the school board.
在妈妈竞选联合校董会席次时。
Old birds are not to be caught with shaff.
老谋是不会失算的。
Good afternoon!
下午好！