Backpacking
n. 徒步旅行
📖 牛津释义
backpacking
n [U].
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
I worked at the garage this morning.
我今早在车房工作。
I went there three days ago.
我三天前去过那儿。