vital 

  1. 形容詞
至關重要的, 極其重要的
不可缺少的, 必不可少的
必要的, 緊要的
決定性的
生命的, 有生命的
維持生命所必需的
充滿活力的, 生氣勃勃的
致命的, 生死攸關的
vital for ...(人事物):
對...來說至關重要的

    同義字詞
dynamic,energetic,flush,gingery,lusty,peppy,red-blooded,robust,vigorous
active,airy,animate,animated,bouncing,brisk,energetic,frisky,gay,jaunty,jazzy,kinetic,lively,mettlesome,peppy,perky,pert,racy,snappy,spanking,sparky,spirited,sprightly,springy,vivacious,zippy
all-important,critical,essential,imperative,indispensable,integral,must-have,necessary,necessitous,needed,needful,required,requisite
baleful,deadly,deathly,fatal,fell,killer,lethal,mortal,murderous,pestilent,terminal
critical,crucial,key,pivotal
bracing,cordial,invigorating,refreshing,rejuvenating,restorative,reviving,stimulating,stimulative,tonic,vitalizing

  2. 名詞
限定複數"vitals":
(人體的)重要器官
命脈, 重要部分
要害
不可數名詞:
elan vital:
生命衝力
限定複數vital signs:
(脈搏、呼吸、心跳、血壓、體溫等)生命跡象
限定複數vital statistics:

    
                        
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例句

                

                    
    
                                                    
  1. 
                                That is a vital organ.                            
    2. 
                                                    
  2. 
                                That is why testing is so vital .                            
    3. 
                                                    
  3. 
                                Thus is 'technical language' vital .                            
    4. 
                                                    
  4. 
                                Does COPD affect my other vital organs?                            
    5. 
                                                    
  5. 
                                Vital to the device is a 'target disc'.                            
    6.