这一周婴儿的脊柱更加清晰，形成了33块脊椎、150个关节和1000个韧带。
This week your baby's spinal column is becoming more distinct forming 33 vertebrae 150 joints and 1 000 ligaments.
这一周婴儿的脊柱更加清晰，形成了33块脊椎、150个关节和1000个韧带。
This week your baby's spinal column is becoming more distinct, forming 33 vertebrae, 150 joints and 1, 000 ligaments.
先天性脊柱畸形，包括蝴蝶椎、脊椎分节不全、椎骨移行、半椎等，指犬只各脊柱骨的形成异常。
Congenital vertebral anomalies, including butterfly, block, and transitional vertebrae, and hemivertebrae, are a collection of malformations of the spine in animals.
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