单词：freezing point depression constant
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By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo
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The heart of a mouse A mouse was in constant distress bescause of its fear of the cat. A magician took pity on it and turned it into a cat. But then it became afraid of the dog, so the magician turned it into a dog. Then it began to fear the panther,
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Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? D: It lowers the melting and freezing point of water. Y: Oh,OK.Wait,I don't get it. Doesn't that mean the salt make ice colder? D: Let me explain.Pure water freezes at thirty-two degrees Fahr
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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: Jesse Sullivan was an electrical worker who lost both of his arms while working on power lines And Im Barbara Klein. This week, we will tell about an American s
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