spine

a sharp rigid animal process or appendage

锐利僵硬的动物过程或附属物

as a porcupine quill or a ridge on a bone or a ray of a fish fin

如豪猪的羽毛、骨头上的脊、鱼翅上的射线

the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved

书皮书皮的一部分，包住书页的内侧，当书被搁在架子上时朝外

the title and author were printed on the spine of the book

书名和作者印在书脊上

backbone

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

形成骨骼轴并保护脊髓的一系列椎骨

the fall broke his back

摔断了他的背

spinal column

vertebral column

backbone

back

rachis

a small sharp-pointed tip resembling a spike on a stem or leaf

尖尖的小驰名，类似于茎或叶上的穗状物

thorn

prickle

pricker

sticker

spikelet

any sharply pointed projection

任何尖锐的突出物

spur

acantha