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Which is the biggest mammal (哺乳动物) animal on land? It is an elephant. An elephant is often four meters tall. It can weight (称) four tons (吨).
There are two kinds of elephant in the world-African elephants and Asia elephants. They are very strong, very smart (机灵的) and very, very big.
Elephants love water and they are very good swimmers. They like to have a bath (洗澡) every day. Elephants have six teeth. Four of the teeth are about 30cm long. Two teeth are much longer. They can be over (超过) 100 cm. Elephants eat plants. They eat about 225 kilograms (千克) a day. They can drink 140 liters (升) of water. An elephant can live for about 70 years.
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