It says that bats (蝙蝠) are almost blind (瞎的). Do you know h the bat finds the way? In fact (事实上), bats find their ways w the help of their ears. Bats make a sound that we can't h at all. They cry when they fly and the echoes (回声) of these cries come back to their ears. In this way they can k where they should go. Bats f out in the evening. In the daytime, they just stay together in their homes.
When the evening c , they begin to go out and look for f . The next morning, they come back from work to sleep until the evening. Some people t that bats are bad animals. In fact, they are very u . They c and eat pests (害虫). This is very good for people.
微信扫码预览、分享更方便
