A sharp spiny part or structure, such as the spinous process of a vertebra.
脊柱,椎骨脊突带尖刺的部位或结构,如脊椎动物的棘状突起
spindrift:海浪的飞沫
spindown /缩颈旋压/ | spindrift /海浪的飞沫/ | spine /背骨/脊柱/针/尖刺/刺状突起/背/脊/椎/