backpack

n.（指登山者、步行者使用或背小孩时使用的）背包, （有轻金属框的）箱形背包

v.背包旅行

复数： backpacks

派生词： backpacker n.

相关介绍

例句：

Looking back, she feels she should never have hung up her backpack.

回首过去，她觉得自己真不该放下背包不再徒步旅行。

He squirmed out of the straps of his backpack.

他扭动身体，挣开背包的肩带。

Like Faith, who often forgets her backpack in the cafeteria, and Lucy, who just wants a hug ．

比如费思,她经常把背包落在自助餐厅；还有露西,她很喜欢拥抱。