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自然界许多动物都有自己的舌头,人当然也有。舌头是干什么用的?读者会说,那还用问,舌头是吃饭的。此说不尽然,舌头的功能其实是各种各样的。蛇用舌头兼代鼻子的作用,啄木鸟用舌头钩出树洞内的害虫,蜂鸟则能把舌头卷成管状深入花冠吮吸花蜜;作为万灵之长的人,舌头更是
Many animals in nature have their own tongue, of course, people have. What is the use of the tongue? The reader will say, it also asked, the tongue is to eat. This does not mean that the function of the tongue is actually a variety of. Snake with the tongue and the role of the nose, the woodpecker tongue out of the tree pests, the hummingbird can roll the tongue into the tube deep into the corolla sucking nectar; as the soul of the long people, the tongue is more