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Scientists say small changes in the sun's brightness can produce effects on Earth similar to two weather events in warm waters of the Pacific Ocean.
VOA: special.2009.09.29
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You make not small changes in their chemistry but big changes in their chemistry.
它们的化学性质,就会发生巨大的改变
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That - irreversible changes happen all the time too but here I'm talking about very subtle small changes where you're changing the structure of the protein but only a little bit such that it can go back.
这种不可逆的改变时时刻刻都在发生,但我在这里想讲的是,对蛋白质结构进行微小的改变,小到这种改变是可逆的
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Over long periods of time, these small changes result in the creation of new species.
VOA: special.2009.12.01
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It takes place in small rooms. If you begin to think about it, you can almost see the set changes: in the diner, on the train station. That's about the most open place, on the train platform. That's about the most open place we see.
在很小的空间里发生，如果你们开始思考它，你们几乎能看到场景的改变，晚饭，在火车站，那算是最室外了，在火车的月台上，那也算是最室外了。
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Then they made small changes to the bacterium's deoxyribonucleic acid -- DNA for short.
VOA: special.2010.07.20
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She says small changes multiplied by millions can make a huge difference.
VOA: special.2009.11.06
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He said small changes took place in individual animals.
VOA: special.2009.02.25
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Small changes take place in each generation of organisms.
VOA: special.2009.12.01
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Main message? Each one of us makes a difference every single day we impact the world around us and if we would just think about the consequences of the little choices we make what we eat,wear,buy, how we interact with people,animals, the environment then we start making small changes and that can lead to the huge change that we must have."
VOA: special.2009.11.18
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Even small changes in what we eat and how we prepare our food can be very useful, says physician David Servan-Schreiber, author of "Anti-Cancer, A New Way of Life".
VOA: standard.2010.02.23
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He says when it comes to saving energy and money, big changes start with small steps like turning out the lights.
VOA: special.2010.03.22
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