The world we are living in is amazing(令人吃惊的). There are countless living things. How can they live harmoniously(调和地)? The answer is communication.
Communication, of course, doesn’t need to be in words. We can talk to each other by a smile, a frown(皱眉), a shrug(耸肩) of our shoulders, and a gesture(手势) with our hands. Shaking hands is a very common gesture, which is performed both on initial(开始的, 最初的) greeting and departure(出发). We know that birds and animals use a whole vocabulary(词汇) of songs, sounds, and movements. Bees dance their signals, flying in certain pattern(模式) that tell other bees where to find nectar(【植】花蜜) of honey(甘美的).
Can plants talks? Yes---but not in words. We have reasons to believe that trees do communicate with each other. Not long ago, researcher learned some surprising things. First, a willow(柳树) tree attacked in the woods by caterpillars(毛虫) changes the chemistry of its leaves and made them taste so awful that the caterpillars go disgusted(厌烦地) and stopped eating them. Then, ever more astonishing(令人惊讶的), the tree sent out special vapors(水汽)---an alarm signal stimulating(刺激) its neighbors to change the chemistry of their own leaves and make them less tasty(【口】美味的)
Communication is so important in the nature world. As human beings we should communicate with each other to make the earth peaceful.
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