求翻译：特征为身上长有非常坚固的甲壳，受袭击时龟可以把头、尾及四肢缩回龟壳内。大多数龟均为肉食性，以蠕虫、螺类、虾及小鱼等为食，亦食植物的茎叶。乌龟一般生活在河、湖、沼泽、水库和山涧中，有时也上岸活动。在自然环境中当气温长期处在一个较低情况下，乌龟就会进入冬眠，各种乌龟的种类不同，开始冬眠的温度也不相同，不过通常都在10～16℃。是什么意思？

Characterized the body of a very sturdy crustaceans, turtles can head being assaulted, tail and limbs retracted tortoiseshell. Most turtles are carnivorous, eating worms, snails, shrimp and small fish, also eat the stems and leaves of plants. Tortoise generally lives in rivers, lakes, swamps, reserv

There are characterized by very rugged long body of the Beatles, and the time of the attack can be turtle head, tail and limbs retracted 4 turtle shell. Most turtles are meat, to worms, snails, shrimp and small fish for food, such as food, but also the plant stems. A turtle live in the river, lake,

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There are very strong crustaceans characterized by who, when subjected to attacks on turtle head, tail and limbs retracted within tortoise shell. Most turtles are carnivorous, worms, snails, shrimps and small fish for food, plant stems and leaves. Tortoise generally lives in rivers, lakes, swamps, i

The characteristic long has the extremely firm carapace for the body on, attacks when the turtle may, the tail and the four limbs retracts in the tortoise shell.The majority turtles are the sarcophagies, take the worm, the gastropods, the shrimp and the small fish and so on as the food, also eats th