文章列表

• 1.听力文摘：为何高尔夫球上有小窝？
• Why Do Golf Balls Have Dimples? 为何高尔夫球上有小窝？ You're out on the golf course one pleasant afternoon. Your ball is set on the tee. You lean ove...
• 2.听力文摘：夜视：人类为何看不见颜色？
• Night Vision And Humans: Why Can't We See Color? 夜视：人类为何看不见颜色？ When we are in a fairly dark room, or outside at night away from lights, w...
• 3.听力文摘：为什么天空不是统一的蓝色
• Why The Sky Is Not Blue 为什么天空不是统一的蓝色 Look at various parts of the sky on a clear day and you will see that it is not a uniform blue. Even ...
• 4.听力文摘：水下的朦胧世界
• The Blurry World Underwater 水下的朦胧世界 When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear....
• 5.听力文摘：有一种沸腾能冷却你的食物！
• The Rolling Boil That Cools Your Food 有一种沸腾能冷却你的食物！ When you think of something boiling, you probably picture a pot on the stove, but the...
• 6.听力文摘：为何冰箱会发出声音？
• Why refrigerators hum? 为何冰箱会发出声音？ Why refrigerators hum，on toay's moment of science.On the recent program we have discussed how fluorocarbo...
• 7.听力文摘：曾经的山顶洞人
• Sometime Cavemen 曾经的山顶洞人 From the bestselling novel Clan of the Cave Bear to the 1981 movie Caveman, pop-culture tends to misrepresent prehisto...
• 8.听力文摘：蚕丝生产的秘密
• Secrets Of Silk Production 蚕丝生产的秘密 Fifteen hundred years ago in China, silk production was a state secret. 在1500年前的中国，蚕丝的生产方法是国...
• 9.听力文摘：缓慢的生存
• Survival Of The Sluggish 缓慢的生存 Silkworms have been bred over thousands of years to behave quite unlike their caterpillar cousins in the wild. Tha...
• 10.听力文摘：中年发福伤不起
• The Mathematics Of Middle-Age Spread 中年发福伤不起 Let's say you're an 18 year old male who runs every other day, logging 12 miles a week. 假设你是一...