An adult hedgehog can boast 7,500 spines.

一只成年刺猬能有多达7500根刺。

The animal is covered in long piercing spines.

这种动物浑身长满了锋利的长刺。

Sea urchins are perhaps best known for their armor of spines.

海胆也许最出名的是它们的刺甲。

Sea urchins are perhaps best known for their armor of spines.

海胆也许最出名的是它们的刺甲。

Spines are common on eggs of worms, as are spots, helices, and stripes.

虫卵上通常会有突刺、斑点、螺纹和条纹。