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rucksack的复数形式为：rucksacks...
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My rucksack was too big for the luggage rack.我的背包太大了，行李架上放不下。Charlie humped his rucksack up the stairs to his flat.查利费力地将背包背到楼上自己的公寓里。Use a weatherproof rucksack to carry your camera and lenses around in.用防风雨的帆布背包装照相机和镜头...
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Use a weatherproof rucksack to carry your camera and lenses around in.用防风雨的帆布背包装照相机和镜头。She delved into her rucksack and pulled out a folder.她在背包里翻找一番后拿出了一个文件夹。He had a small green rucksack slung over one shoulder.他单肩挎着一个...
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rucksack的音标：rucksack的英式发音音标为：['rʌksæk]rucksack的美式发音音标为：['rʌkˌsæk, 'rʊk-]...