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我的背包太大了，行李架上放不下。My rucksack was too big for the luggage rack.回首过去，她觉得自己真不该放下背包不再徒步旅行。Looking back, she feels she should never have hung up her backpack.查利费力地将背包背到楼上自己的公寓里。Charlie humped his rucksack up the stairs to his ...

“背包”的拼音为：bèi bāo...