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1·An adult hedgehog can boast 7,500 spines.

一只成年刺猬能有多达7500根刺。《柯林斯英汉双解大词典》

2·The animal is covered in long piercing spines.

这种动物浑身长满了锋利的长刺。《牛津词典》

3·Porcupines use their spines to protect themselves.

豪猪用身上的刺毛来自卫。《牛津词典》

4·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。

5·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。

6·The spines of a fire urchin form a multicolored flower off Komodo Island, Indonesia.

火海胆的刺在印度尼西亚科莫多岛附近形成了五颜六色的花朵。

7·A friendlier Indian at the third village warned me that people in the next settlement along had prepared a pile of spines.

在第三个村落的一个较友好的印第安人告诫我，接下来的一个定居点的人准备了“一堆骨刺”。

8·The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.

火海胆鲜红的颜色警告捕食者它的刺有毒。海獭是海胆的主要捕食者。

9·The consequences of interacting with the array of sharp spines on a sea urchin or porcupine are pretty obvious to any creature passing by.

与海胆或豪猪身上的尖刺相互作用的结果对任何经过的生物来说都是相当明显的。

10·The crown of thorns starfish is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines.

棘冠海星很大，直径长达25到35厘米，有7到21条手臂，上面布满了刺。

(1)lumbar spine腰椎，腰脊柱