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An Englishman is at home with his girlfriend. (E=Englishman; G=girlfriend) G: Have you gone mad? Why are you roaring your head off like a lion? E: Rrrrr...ah! G: Hey, have you gone off your rocket or
We want to take a closer look at just how extreme temperatures and humidity effect our bodies almost immediately, how our bodies try to fight back and keep cool. So ABC's Dr. Richard Besser actually put this to the test for us. Meet here this morning
Volcano 火山 Many mountains are the result of volcanoes. 许多山峰都是火山的产物。 A long time ago, many mountains were formed by volcanic activity. 很久以前,很多山峰都是由火山运动形成的。 When a volcano explodes, it
By Greg Flakus Albuquerque, New Mexico 25 July 2007 Large scale collection of solar power arrays As the world searches for ways to produce energy without burning fossil fuel, there is increased interest in solar energy. One place associated with sola
Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th