You and your parents can stop worrying—Edison, Darwin and many others were just c boys when they were very young. Some of them in the eyes of their teachers were slow pupils. So i you have the same, don't feel disappointed (失望的).
Parents enjoy giving more inspiring (激励的) examples to e their children. If you take piano lessons, your parents might show you the picture of Mozart, playing the piano at midnight. But the fact is that at first he didn't a to have much talent for music. It was not until 22 that Mozart suddenly became famous as a gifted m.
In the science field, there have been thousands of people who showed great iin certain subjects from their earliest years, and hundreds who didn't know what they would do in the future. You have the Wright brothers who wanted to be engineers when they were young. You have the Nobel Prize w the Physicist Enrico Fermi, had learnt enough Maths for a doctor's degree when he was u twenty. But there is also Charles Darwin, who hated to go to school when he was young. His father once shouted "You will put your parents to shame."
So who knows what might happen in the f ? It is, of course, better for the young people to know what they want to do in life. But they needn't lose heart if they don't. Remember there is s plenty of time and it's never too late for success.