哺乳动物有脊椎并且是温血动物。

Mammals have a backbone and are warm-blooded.

脊椎动物有一个支撑身体结构的脊柱。

Vertebrates have a backbone that supports their body structure.

蜘蛛因缺乏脊椎而被归类为无脊椎动物。

Spiders are classified as invertebrate due to their lack of a backbone.

让我们先来看看脊椎部分。

Let's start with the backbone of the problem, literally.

脊椎骨是腰背骨或脊柱骨之种骨头。

Vertebra is one of the bones of the backbone or spinal column

包含至少一部分后脊椎骨的肉块或鱼块。

Cut of meat or fish including at least part of the backbone.

在我四岁的时候，我为她做了一个纸的新脊椎。

I made her a new backbone out of papier-mache when I was 4.

它的脊椎骨，脖颈还有肋骨只有几厘米的厚度。

Its backbone, neck, and ribs have walls just a few milometers thick.

咱们把鲱鱼切开, 看看里面吧。跟所有的鱼一样, 鲱鱼也有一条很长的脊椎骨, 是由很多脊椎组成的。

Let us cut open a fresh herring, and look into it. We see that, like all fishes, it has a very long backbone made up of many little joints.

包含部分脊椎骨和两侧腰的肉块（特别是绵羊和小羊羔）。

Cut of meat (especially mutton or lamb) consisting of part of the backbone and both loins.