名词
中文翻译：背带
同义词：
['backstrap', 'backstraps']
例句：
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1. The back belt is designed to keepthe pants from riding up.
背带设计用来防止裤子上翘。
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2. Shewore a back belt madeof leather for comfort.
她为了舒适而穿了一件用皮革做的背带。
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3. The back belt is an essentialpart of the bike's design.
背带是自行车设计中不可或缺的一部分。