Backpacking
n. 徒步旅行
📖 牛津释义
backpacking
n [U].
🗣️ 情景例句
I'm not so young anymore.
我不再那么年轻了。
He likes playing the trumpet.
他喜欢吹喇叭。
Fine, thank you, Li Lei. How are you?
我很好，谢谢。你呢？