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孩子们,跟我们一起去奇妙的自然界旅行吧!许多你想象不到的有趣的事情正在发生……翅膀是昆虫飞行的器官。昆虫是无脊椎动物中唯一有翅膀的动物。与鸟类的翅膀是由前肢转变来的不同,昆虫的翅膀是由向两侧扩展出的侧背叶发展而来的,十分灵活,不用时还可以收在身体背面。翅膀一般为三角形。一般来讲,昆虫只有一对翅膀比较发达,主要用来担负飞行任务。昆虫纲的分类与翅膀有着直接关系。飞行是个体力活儿蜜蜂每小时可持续飞行10～20公里。牛虻每小时可飞行40余公里。蜻蜓、螽斯和某些种类的天蛾能够持续飞行数百里乃至千里而不着陆。薄而透明的翅膀,上面有清晰的脉络。如蜜蜂的翅膀和甲虫的后翅。
Children, travel with us to the marvelous nature! Many of the interesting things you can not imagine are happening ... Wings are the organs of insect flying. Insects are the only winged animals in invertebrates. And the wings of birds is different from the forelimb changes, the wings of insects is extended to both sides by the development of the back from the back, very flexible, when not in use can be received in the back of the body. The wings are generally triangular. In general, only a pair of wings of insects more developed, mainly used for flying missions. Insect class classification and wings have a direct relationship. Flying is a physical activity Bees fly sustainable 10 to 20 kilometers per hour. Cattle 虻 can fly 40 kilometers per hour. Dragonflies, 螽s and some species of moths can fly hundreds or thousands of miles without landing. Thin and transparent wings, above a clear context. Such as bee wings and beetles hind wings.