backpack的例句（backpack在句子中的用法）

• A backpack is a Viking helmet - neither should be a crowed train. 背包像维京海盗的头盔一样,不应该带上拥挤的火车.
• This suitcase, and a backpack. 这个手提箱和背包.
• He squirmed out of the straps of his backpack. 他扭动身体，挣开背包的肩带。
• 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。