单词：arthralgia of extremities
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals that live in cold climates tend to have stubby limbsshorter arms and legseven smaller ears and tails. Picture a penguin and youll see what I mean
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Now, when this strange circumstance was made known aft, the carpenter was at once commanded to do Queequeg's bidding, whatever it might include. 且说这件怪事传到船尾去时，那个木匠就立刻受命按照魁魁格的吩咐行事，把他所
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Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的？ Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来，人类和狗狗都有十分特殊的关系，相互喜爱，相
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Beginners. Cold fingers, cold toes, chilly shoulders, and a cold nose. When the weather gets chilly, sometimes you feel as if the inside of your body is as cold as your extremities. Some how, putting on lots of clothes isn't enough. You long to get i
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Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal
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我们周围的环境与我们的生活息息相关。由于我们至少每周要花四十个小时在工作上，因此为了你的健康和长寿，让你的工作场所尽可能有利于健康是至关重要的。这些只是几个可以让你将健
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