Do you have a backbone? Yes! People have backbones. Birds, fish, and some other kinds of animals have backbones too. Backbones make us vertebrates. Without backbones, we'd be like jelly!
你有脊椎嗎?當然啦! 人類、鳥類跟許多動物都有脊椎，不然我們會像果凍一樣!
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