艾萨克·牛顿，一位杰出的英国物理学家、数学家，被誉为科学革命的巨人。他的贡献不仅局限于物理学和数学领域，还涉及到天文学、光学等多个学科。牛顿的成就使他成为历史上最伟大的科学家之一，对后世产生了深远的影响。
Isaac Newton was born in Lincolnshire, England in 1643, where he grew up on a farm. When he was a boy, he made lots of excellent inventions like a windmill to grind corn (磨玉米面), a water clock and a sundial (日晷). However, Isaac didn’t get good marks at school.
1643年，艾萨克·牛顿出生在英格兰林肯郡的一个农场里。当他还是个孩子的时候，他做出了许多出色的发明，比如磨玉米的风车、水钟和日晷。然而，艾萨克在学校的成绩并不好。
When he was 18, Isaac went to study at Cambridge University. He was very interested in physics, mathematics and astronomy. But in 1665, the Great Plague, which was a terrible disease, spread in England, and Cambridge University had to close down. Isaac returned home to the farm. Isaac continued studying and experimenting at home. One day he was drinking a cup of tea in the garden. He saw an apple fall from a tree. “Why do apples fall down instead of up?” From this, he formed the theory of gravity. Gravity is an invisible force. Nobody can see it. But it pulls objects towards the Earth and keeps the planets moving around the Sun.
18岁时，艾萨克去剑桥大学学习。他对物理、数学和天文学很感兴趣。但在1665年，一场可怕的瘟疫在英国蔓延，剑桥大学不得不关闭。艾萨克回到了农场。艾萨克继续在家里学习和实验。一天，他正在花园里喝茶。他看见一个苹果从树上掉下来。“为什么苹果往下掉而不是往上掉?”由此，他形成了万有引力理论。重力是一种看不见的力。没有人能看到它。但它把物体拉向地球，并使行星围绕太阳运行。
Isaac was fascinated by light. He discovered that white light is in fact made up of all the colours of the rainbow. Isaac also invented a special reflecting telescope, using mirrors. It was much more powerful than other telescopes. Isaac made another very important discovery, which he called his “Three Laws of Motion”. These laws explain how objects move. Isaac’s laws are still used today for sending rockets into space.
艾萨克被光迷住了。他发现白光实际上是由彩虹的所有颜色组成的。艾萨克还用镜子发明了一种特殊的反射望远镜。它比其他望远镜强大得多。艾萨克还有一个非常重要的发现，他称之为“运动三定律”。这些定律解释了物体如何运动。艾萨克的定律至今仍被用于向太空发射火箭。
Thanks to his discoveries, Isaac became rich and famous. However, he had a bad temper and often argued with other scientists. “You stole my discovery!”
由于艾萨克的发现，他变得富有和出名。然而，他脾气不好，经常和其他科学家争论。“你偷走了我的发现!”
Sir Isaac Newton died in 1727. He was buried along with English kings and queens in Westminster Abbey in London. He was one of the greatest scientists and mathematicians who has ever lived.
艾萨克·牛顿死于1727年。他与英国国王和王后一起被埋葬在伦敦的威斯敏斯特教堂。他是有史以来最伟大的科学家和数学家之一。
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