名词
中文翻译：鸟背
同义词：
['avian back', "bird's back例句：1. The birdyback is a popular choice for carrying items in the wilderness.（鸟背是野外携带物品的热门选择。）"]
例句：
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1. The birdyback is a popular choice for carrying items in the wilderness.
鸟背是野外携带物品的热门选择。
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2.The birdyback provides excellent support for those who need to carry heavy loads.
鸟背为需要携带重物的人提供了极好的支持。
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3. The birdyback is designed to be comfortable and easy to use, making it ideal for hikers and backpackers.
鸟背设计舒适且易于使用，非常适合徒步旅行者和背包客。