单词：thawing rate of frozen semen
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Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 你在闲逛超市的冷冻食品区的时候，会看到有冷冻玉米、冷冻豌
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Why Lettuce Should NOT Be Frozen Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 图片1 Why Cant I Freeze Lettuce? Freezing is a
英语听力文摘 English Digest
Keep Your Goals in Sight When she looked ahead, Florence Chadwick saw nothing but a solid wall of fog. Her body was numb. She had been swimming for nearly sixteen hours. Already she was the first woman to swim the English Channel in both directions.
幸福是一种态度
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
英语听力文摘 English Digest
Getting chicken safely from a rock-hard frozen state to a thawed ready-to-cook state raises a lot of questions. Here are the answers. 将坚如磐石的冷冻鸡肉解冻至可以做饭状态，会出现很多问题。下面交给你如何去做。 F
趣味英语
Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer
2016年NPR美国国家公共电台8月