poisonous spine的用法和样例：
例句
- For spiders, the famous spiders named Latrodectus mactans can kill an adult by their poisonous stings.
对于蜘蛛来说，著名的红斑寇蛛就可以用它们的毒刺杀死一个成人。 - Vast bat-like wings sprout from his back, and his long snaky tail is tipped with a razor sharp poisonous tip.
但他有着和人类一样的手臂，巨大的蝙蝠般的翅膀从他的背上伸展出来，他长长的蛇一般的尾巴尖端有着剃刀形的毒刺。
