1. The vertebrate spine or spinal column. 
   脊骨脊椎动物的脊椎或脊柱
2. Lacking a backbone or spinal column; not vertebrate. 
   无脊椎的缺少脊骨或脊柱的；无脊椎的
3. an extinct fishlike vertebrate. 
   一种灭绝了的、像鱼一样脊椎动物。
4. A basin-shaped structure of the vertebrate skeleton, composed of the innominate bones on the sides, the pubis in front, and the sacrum and coccyx behind, that rests on the lower limbs and supports the spinal column. 
   骨盆脊椎动物靠下肢支撑并支撑脊柱的盆状骨骼，两旁由髋骨组成，前面是耻骨，后面由骶骨和尾骨构成
5. A fish or fishlike vertebrate. 
   鱼状脊椎动物鱼或似鱼的脊椎动物

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