许多学生在间隔年期间去背包旅行。

Many students go ___backpacking during their gap year.

她去年夏天在南美洲背包旅行。

She spent last summer ___backpacking through South America.

背包旅行让旅行者能更亲密地体验当地文化。

___Backpacking allows travelers to experience local cultures more intimately.