Giraffes have got long, strong tail bones.
长颈鹿有又长又强的尾骨。
Tail bone
原声例句
Kid`s box 4
ted
Why do we still have tail bones and appendacies?
为什么我们还有尾骨和阑尾？
Life Noggin
Like male nipples or the tail bone., T: Even the hiccups are a remnant of our past.
就像男性的乳头或尾骨。, T: 即使是打嗝也是我们过去的残余。
古生物科普
When the bones of these arms were first discovered, it was assumed that they would be of little use and were evolutionarily leftovers, much like a human's tiny tail bone.
当这些前肢的骨骼首次被发现时，人们认为它们的用处可能不大，并且是演化上的遗留物，很像人类的小尾骨。
中文百科
尾骨 Coccyx
（重定向自Tail bone）
尾骨（拉丁文：os coccygis）, 是三角形，由后面的3至5块尾椎接合而成。
- 在上面与骶骨形成关节。它是脊柱中最未发达的部份，代表尾巴的退化器官。
英语百科
Coccyx 尾骨
（重定向自Tail bone）
The coccyx (/ˈkɒksɪks/ KOK-siks; plural: coccyges or coccyxes), commonly referred to as the tailbone, is the final segment of the vertebral column in humans and apes, and certain other mammals such as horses. In animals with bony tails, it is known as tailhead or dock, in bird anatomy as tailfan. It comprises three to five separate or fused coccygeal vertebrae below the sacrum, attached to the sacrum by a fibrocartilaginous joint, the sacrococcygeal symphysis, which permits limited movement between the sacrum and the coccyx.
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