他取得了如此快的进步,以至于不久就开始用英语写文章了. Have you heard the latest news about
the accident? He made such rapid progress that he
soon began to write articles in English. 他利用闲暇时间学习法语
他们经常相互间练习讲英语
He
made use of his free time to learn French They often practise speaking English among themselves. 这种风俗可追溯到十七世纪
你不能指望别人帮你 This costom dates back to the 17th century. You can’t depend on others to help you .
Can trees talk? Yes, but not in words. Scientists have reason to believe that trees do communicate (交际) with each other. Not long ago, researchers learned some surprising things. First a willow tree attacked in the woods by caterpillars (毛虫) changed the chemistry of its leaves and made them taste so terrible that they got tired of the
leaves and stopped eating them. Then even more astonishing, the tree sent out a special smell---a signal (信号) causing its neighbors to change the chemistry of their own leaves and make them less tasty.
Communication, of course, doesn’t need to be in words. We can talk to each other by smiling, raising our shoulders and moving our hands. We know that birds and animals use a whole vocabulary of songs, sounds, and movements. Bees dance their signals, flying in certain patterns that tell other bees where to find nectar (花蜜) for honey. So why shouldn’t trees have ways of sending message?
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