... 脊骨错位 Vertebral Subluxation 脊骨的 spinal ; vertebral 孕妇脊骨健康须知 Pregnant women spinal health info ...
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它们是脊椎动物，即有脊骨的动物。
我们很少吃鱼，只吃过一些带鳞或长脊骨的鱼。
We seldom ate fish and then only those that had scales and spines.
大部分在古生代岩层中发现的化石都是没有脊骨的无脊椎动物，例如珊瑚、软体动物和三叶虫。
Most of the fossils seen in Paleozoic rocks are invertebrate animals lacking backbones, such as corals, mollusks and trilobites.
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