简单慢速英语阅读:A Hard Head

（单词翻译）

A woodpecker is a bird. It is red, white, and black. It has a long sharp beak¹. This is a special beak. It is stronger than a tree trunk. The woodpecker makes holes in tree trunks. It hits the tree trunk with its sharp beak, again and again. Peck, peck, peck. Peck, peck, peck. It makes a hole in the tree trunk. Then it makes the hole bigger. It makes the hole big enough to sit in. It makes the hole big enough for two birds to sit in. It makes a nest in the hole. It prepares the nest for two baby birds. The mama woodpecker lays two eggs in the nest. She sits on the eggs. Papa woodpecker brings her food. The eggs hatch. Then mama and papa feed the babies. The babies grow up and fly away. Then they find other trees. They make holes in other trees for new baby birds. They make new holes in different trees. Peck, peck, peck. Peck, peck, peck. Why don’t the woodpeckers get headaches? They hit their beaks² against a tree trunk all day long. But you never see a woodpecker take aspirin³. They must have very hard beaks. They must have very hard heads.