1分钟原音听力Lesson 6

【小帅帅英语听写训练秘诀】1.循环播放反复听 2.反应不及先空格 3.听到哪里写哪里 4.全部写完才按停 【原文在此】听音频过程中不按听，循环播放（训练开始阶段，平均每篇需要听60-80遍），完全听写完毕才对照原文。 Even in the world of medicine, what is old is new again. Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs and Greeks also used it for medical treatments. I am talking about copper. The symbol for copper on the periodic chart for elements is Cu. If we are talking about germs that might mean Cu later! (C + u = "See you") Copper kills many germs on contact. Now it is back in hospitals to do just that. One of the major ways we get sick is we touch surfaces out in the world, many made of metal or plastic. These surfaces are covered with germs. Germs live on poles on a train or bus. They are found on doorknobs and handles. 更多英语干货， 关注微信：帅胖英语