青蛙是什么 能否请您为我解答这个问题？

青蛙是一种两栖动物，通常生活在水边或湿润的环境中。它们既能在水中游泳，也能在陆地上跳跃。青蛙具有绿色的皮肤，有助于它们在自然环境中隐藏。它们的长舌头可以迅速伸出抓住昆虫，是捕食的重要工具。青蛙在生态系统中扮演着重要的角色，是许多生态系统中的害虫控制者。

In English:

A frog is an amphibian that typically lives near water or in moist environments. It can both swim in water and jump on land. Frogs have green skin, which helps them conceal themselves in their natural surroundings. Additionally, their long tongues can be quickly extended to catch insects, making them an essential tool for predation. Frogs play a crucial role in ecosystems, serving as pest controllers in many of them.

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