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每当听到蝉的叫声,我就感到奇怪,蝉那小小的身体里为什么能发出如此大的声音呢?一次,我查阅百科全书,想从中找出蝉发声的奥秘。书中比较详细地介绍了蝉的生殖过程:雄蝉和雌蝉交尾后,雄蝉就死了,剩下的雌蝉,就用它尖尖的尾巴,插到树皮里产卵,产完卵,也从树上掉下来死掉。然后,卵孵化,成小虫,落在地上,钻进土里,靠树根的养分过活……然而,你知道这种小虫在土里的时间是多久吗?它一直要在土里潜伏17年!孕育17年17年后才能钻出泥土,
Whenever I heard the cicadas cry, I was wondered why the small body of cicadas could make such a loud voice. Once, I looked up the encyclopedia and wanted to find the mystery of cicadas. The book describes in more detail the reproductive process of cicadas: male cicada and female cicada mating, the male cicada died, the remaining female cicada, it uses its sharp tail, insert the bark spawning, finished Eggs, also fall from the tree to die. Then, the egg hatches, turns into a bug, falls to the ground, drills into the earth, relies on the tree root’s nutrient to live ... However, you know this kind of bug in the earth’s time is long? It has been going to be latent in the earth 17 years! After 17 years of breeding 17 years to get out of the soil,