Hello! As a wildlife enthusiast with a keen interest in animal behavior and biology, I'm here to help answer your questions about our furry friends, the squirrels.

Yes, squirrels do have sharp teeth. Squirrels are rodents, and one of the characteristic features of rodents is their continuously growing incisors. These teeth are designed for gnawing and are made of a hard material called enamel. The sharpness of their teeth helps them to effectively break down and consume various types of food, such as nuts, seeds, and even insects.

Now, let's translate that into Chinese:

你好！作为一个对动物行为和生物学有着浓厚兴趣的野生动物爱好者，我在这里帮助你回答关于我们毛茸茸的朋友们——松鼠的问题。

是的，松鼠确实有锋利的牙齿。松鼠是啮齿类动物，啮齿类动物的一个特征就是它们的门牙会不断生长。这些牙齿设计用于啃咬，由一种叫做珐琅质的硬质材料制成。它们牙齿的锋利度有助于它们有效地分解和消耗各种类型的食物，如坚果、种子甚至昆虫。

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An herbivore's long front incisors have sharp edges good for cutting grass and leaves. ... The front incisors of beavers and squirrels can break into nuts and seeds. Beavers, squirrels, rats, mice and other rodents have teeth that keep growing all their lives. They sharpen and file their teeth by gnawing as they eat.read more >>