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Whales
鯨魚
Whales are very large mammals and they live in the sea.
鯨魚是生活在海里的巨大哺乳動物。
They breathe air into their lungs.
它們把空氣吸入肺里。
They feed their babies milk and they have some hair too.
它們給寶寶喂奶，它們也有一些毛發(fā)。
There are more than 100 kinds of whales in the world.
全世界有100多種鯨魚。
The average size of whales is over 4-5 meters long.
鯨魚的平均大小超過4-5米。
Whales are categorized as endangered species.
鯨魚被列為瀕危物種。
This means catching a whale is illegal.
這就意味著捕鯨是非法的。
So, people have to protect whales.
所以，人們必須保護(hù)好鯨魚。
