公元前十四世纪时被魔法师发现的存在「魔使」，在魔法师逐渐灭亡的时候开始与魔使寻求共存，每一位魔法师的后裔会在十六岁时作为实习生前往魔使的世界「魔都国」学习，他们被称为「魔法使」。爱丽丝作为一名实习生来到了这里，遇到了神秘的冥犬阿努比斯，和以...

公元前十四世纪时被魔法师发现的存在「魔使」，在魔法师逐渐灭亡的时候开始与魔使寻求共存，每一位魔法师的后裔会在十六岁时作为实习生前往魔使的世界「魔都国」学习，他们被称为「魔法使」。爱丽丝作为一名实习生来到了这里，遇到了神秘的冥犬阿努比斯，和以...

Have you ever wondered how your GPS can find the fastest way to your destination, selecting one route from seemingly countless possibilities in mere seconds? How your credit card account number is protected when you make a purchase over the Internet? The answer is algorithms. And how do these mathematical formulations translate themselves into your GPS, your laptop, or your sma...(展开全部)

n this fascinating book from the New York Times bestselling author of The Horse, Wendy Williams explores the lives of one of the world’s most resilient creatures—the butterfly—shedding light on the role that they play in our ecosystem and in our human lives. Butterflies are one of the world’s most beloved insects. From butterfly gardens to zoo exhibitions, they are one of the f...(展开全部)