hedgehog

When it feels threatened, a hedgehog rolls into a tight ball of sharp spines.

(Chinese) 当感到受威胁时，刺猬会缩成一个长满尖刺的紧实球体。

We left some cat food in the garden to help the wild hedgehog survive the winter.

(Chinese) 我们在花园里留了一些猫粮，以帮助野刺猬度过冬天。