剑龙的背上有17块板状的骨头，在它尾巴的尖端还有着长刺。

Stegosaurus had 17 bony plates on its back. It also had spikes on the end of its tail.

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剑龙的背上有17块板状的骨头，在它尾巴的尖端还有着长刺。

Stegosaurus had 17 bony plates on its back. It also had spikes on the end of its tail.

youdao