单词：M-16
单词：M-16 相关文章
This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor
Scientific American(二)月
Have you ever taken a good look at your dog and wondered, where did this creature come from? Sure, you know your dog came from the local shelter or a pet store, but what about before that? If you were able to trace your dog's lineage back to its orig
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Archaeologists set out recently to unlock one of the secrets of Stonehenge, the majestic monument in southern England－when were the first standing stones placed at the ancient religious site? The concentric stone circles that make up Stonehenge, 13
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Don: Oh, Yael, I just read the most beautiful poem. No wonder our ancestors developed writing--they probably wanted to treasure poetry for posterity. Yael: Actually Don, writing was developed to keep track of more mundane things, like money. For exam
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In this Moment of Science Don and Yael discuss how our emotions might change as we age. D: The older my parents get the more boring they become. First of all, they always spend their time with the same group of friends. They rarely go out and meet ne
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You're driving along on your way to deliver some helium balloons to a birthday party. Suddenly you hit the brakes. As your car rapidly decelerates, you feel yourself pushed up against the wheel. Why? That one's probably not too tough. Although you ma
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Ya?l: Today, on A Moment of Science, another episode of guilty confessions. That's right. Don is going to confess a secret, and then we'll use science to help him understand it. Don: I confess nothing, Ya?l. My conscience is clear. Y: Then how come I
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Dear Annie: I am 17 years old and my brother is two years older. When he started dating Kim, everything was fine, but as I got to know her better, it became clear that she is just using my brother. I asked my mom what I should do, and she said I shou
英语时差8，16
Surprise at Stonehenge! Wizards and aliens aside, actual scientists don't have much to say about Stonehenge--the ancient ring of rocks in Amesbury, England--that hasn't been said. That is, until now. Just recently a four-thousand-year old gravesite w
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Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s
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Technophobia What? Technophobe: Someone who does not like, trust, or want to use technology, especially computers. (Macmillan English Dictionary)Technophobia is not a new term and technophobes have existed since the Industrial Revolution and probably
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24强晋级赛在著名的日落大道上的蓝调之家继续进行，在上一场经过最终现场展示环节后，评委们将开始决定谁会进行现场演唱，从而赢得全美观众的选票。本期节目23名参赛者争夺剩下11个席
美国偶像 第十四季
As in the last war, the soldiers dig in and try to make the best of things. 如同上一次大战，士兵挖掘防御工事，并充分利用一切。 The French soldier, Jastone Schiller, writes to his wife. 法国士兵席黑克写给妻子。 It'
二战启示录