Unit Nine    
                   

     Text           
                          

    computer / n.                        machine that stores information and works out
                                                      answers 计算机   
  universe / n.                          宇宙          
  complex / a.                         difficult to understand or explain 错综复杂的  
                                                 难懂的
  ancient / a.                            in or of times long ago古代的；古老的     
  philosopher / n.                     哲学家     
         philosophy n.                    哲学  
  involve vt.                            cause to become connected or concerned 使卷入 
  working / n.                          (usu. pl. ) operation; action 运转，运行；活动 
  ability / n.                              能力
  exactly / ad.                          with complete correctness 确切地；精确地     
         exact a.     
    amount / n.                           数量，数额        
  chemist / n.                           one who studies and understands chemistry 化学家 
  biologist / n.                         one who studies the life of animals and plants 生
                                 物学家  
  biology n.                             生物学   
  complicated/ a.                     difficult to understand, complex  难懂的；复杂的   
  chemical / a.                         of chemistry   
    unable a.                               not able   
    reaction / n.                           反应      
  mathematician/ n.                  one who studies and understands mathematics 
 	                                              数学家
  equipment / n.                      设备，装置  
  equip vt.
    kilo/ = kilogram                    公斤，千克
  recent / a.                             done or made not long ago 近来的
  recall/ vt.                              remember 记得；回忆起
  differ / vi.                             be different (from)
    mentally ad.                          智力上，脑力上
  physical / a.                          of the body; of matter; of the science of physics
                                                     身体的；物质的；物理的        
    potential/ n.                          潜力
  limit / n.                                局限，限度
                              

                            Phrases & Expressions

    put ... to (good)                     use(in a profitable way)(好好)利用 
  differ from                              be dissimilar to 与...不同
  compared to / with                  in comparison with 与...相比
  make notes.                            take notes 记笔记　　　　
  look into.                               examine 调查，观察　

                          Proper Names      

   Aristotle /                        亚里士多德
   Greece /                          希腊