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IP属地：湖北
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为什么海水是咸的？
盐主要来自陆地。当雨水形成，从天而降时，它会从大气中积聚二氧化碳，然后雨水变得微酸性。之后雨水流过陆地，侵蚀岩石，并吸收少量的盐和其他溶解的矿物...
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为什么胶水不粘在装胶水的瓶子里？专注双语阅读，长知识，长见识。
The regular white glue most people know so well is made up of a variety ...
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你知道蜡烛是用什么材料做的吗？专注双语阅读，长知识，长见识。?One of the earliest forms of portable illumination, candles have served...
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泰坦尼克号有太多你不知道的事实。专注双语阅读，长知识，长见识。
You may already know that the Titanic hit an iceberg at 11:40 p.m. on th...
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苹果籽有毒吗？专注双语阅读，长知识，长见识。
Apples, along with cherries, peaches, and almonds, are members of the ro...
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为什么蚊子咬人会痒？
The short answer is:the itch is anallergicto mosquito spit. 简单回答：痒是因为对蚊子...
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为什么猫咪总是在睡觉？Cat person? How many pictures of yourcatsleeping have you got on your ph...
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我们的家园，地球这么大，你真的了解它吗？
Earth,our wonderful home! But how much do you know about the planet we c...