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202 Useful Exercises for IELTS Side1-24-Ex3.8Dictation1

时间：2006-02-07 16:00:00

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（单词翻译）

       Narrator: Exercise 3.8. Dictation 1:

　　Air pollution / is probably the modern world's greatest threat. / Water can be filtered, / land can be cleared, / but filthy1 air can only be filtered / by the nose and lungs. / It is estimated / that living in a big city / is equivalentto smoking / half a packet of cigarettes a day. / What is more, / the most dangerous components2 of air pollution/ are invisible gases. / We cannot smell or see / the dangerous gases given off / from the exhausts / of cars, lorriesand buses. / However, / this does not mean / they are not present in our bloodstream / every time we take a breath.
/ It is obvious / that our future health / depends on the development / of a safer vehicle engine.


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1 filthy ZgOzj     
adj.卑劣的；恶劣的，肮脏的
参考例句：
  • The whole river has been fouled up with filthy waste from factories.整条河都被工厂的污秽废物污染了。
  • You really should throw out that filthy old sofa and get a new one.你真的应该扔掉那张肮脏的旧沙发，然后再去买张新的。
2 components 4725dcf446a342f1473a8228e42dfa48     
（机器、设备等的）构成要素，零件，成分； 成分( component的名词复数 )； [物理化学]组分； [数学]分量； （混合物的）组成部分
参考例句：
  • the components of a machine 机器部件
  • Our chemistry teacher often reduces a compound to its components in lab. 在实验室中化学老师常把化合物分解为各种成分。

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