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经历了第一季和第二季的种种状况，免费莱德带领的汪汪队越战越勇！免费莱德队长接到任务，新一季的挑战马上拉开帷幕！帮小精灵实现愿望，去北极搭救北极熊宝宝，帮助外星人修理太空飞船，汪汪队总能出色完成任务！更值得期待的是，在一次救援行动中，一只大耳朵狗狗Tracker机智英勇地帮助汪汪队完成任务，而受邀成为汪汪队新成员！
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回复 :【内容简介】东非大裂谷自红海至赞比西河口，连绵三千里，从太空都能看到。这里是多姿多彩的地方，有喷发的火山、覆盖着森林的高山、美丽的峡谷、广袤的草原、巨大的平湖和河流，是鳄鱼、河马、狮子、大象、火烈鸟和非洲人的家园。BBC采用最新的高清摄影技术，探讨了形式东非大裂谷的地质力量，展现世界上野生动物品种最多的地貌。Visible from space, Africa's Great Rift Valley runs three thousand miles from the Red Sea to the mouth of the Zambezi. It's a diverse terrain of erupting volcanoes, forest-clad mountains, spectacular valleys, rolling grasslands, huge lakes and mighty rivers, and is home to crocodiles, hippos, lions, elephants, flocks of flamingos and a diversity of indigenous peoples.Using state-of-the-art high definition filming techniques, this series investigates the geological forces which shaped East Africa's Great Rift, and which make it one of the world's most wildlife-rich landscapes.Part 1: FireThe valley is the product of deep-seated geological forces which have spewed out a line of cloud-wreathed volcanoes stretching from Ethiopia to Tanzania. Their peaks provide a refuge for East Africa's most extraordinary wildlife, including newly discovered and previously unfilmed species which have evolved surprising survival strategies to cope with their challenging mountain environment.Part 2: WaterThe Great Rift Valley channels a huge diversity of waterways - rivers, lakes, waterfalls, caustic springs and coral seas - spanning from Egypt to Mozambique. Some lake and ocean deeps harbour previously unseen life-forms, while caustic waters challenge life to the extreme. But where volcanic minerals enrich the Great Rift's waterways, they provide the most spectacular concentrations of birds, mammals and fish in all Africa.Part 3: GrassThe Great Rift Valley provides the stage for an epic battle between trees and grass - its course influenced by volcanic eruptions, landscape and rainfall. On its outcome rests the fate of Africa's great game herds. In the Rift's savannas, grazers and their predators struggle to outwit each other, forcing one group of primates to develop a social system that paved the way for the evolution of mankind.
回复 :现在，我们以每小时6万4千英哩的速度绕太阳运行；第二年，地球在运行了5亿8千4百万英哩后回到了航程开始的起点。在此片中，纪录片制作者凯特?汉伯和海伦?乔斯基跟随地球进行了一次完整的绕日航行，见证了这次奇异旅程带给地球的奇妙变化。从更替的四季到破坏性的气候现象，他们绕太阳环行感受由航行带来的极 致体验；他们也试图向世人解释在时间的长河中，地球轨道如何发生着变化，以及这些微妙的变化给地球带来了决定性的影响。 此纪录片首次展示了地球绕日环行的全过程，从大胆的空间想象到近在眼前的飓风，皆向观众展示了地球绕日旅行的史诗性历程。
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