necessity 

  1. 名詞
不可數名詞: 必要性, 必然性
需要, 必要
窮困, 危急
necessity of ...(事物):
...的需要
...的必要
necessity of ...(動詞...):
做...的需要
做...的必要
necessity for ...(事物):

    同義字詞
condition,demand,essential,must,must-have,necessary,need,needful,requirement,requisite,sine qua non
beggary,destituteness,destitution,impecuniosity,impecuniousness,impoverishment,indigence,need,neediness,pauperism,penuriousness,penury,poorness,poverty,want

  2. 副詞
of necessity:
必要地
必然地
不可避免地
out of necessity/
from necessity:
出於必要
出於需要
不得已地
逼不得已地

    
                        
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  3. 

    成語
necessity is the mother of invention:
需要是發明之母
需要乃發明之母

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Caffeine, being a necessity for a add.                            
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  2. 
                                Free play time is definitely a necessity .                            
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  3. 
                                Many believe in refuting the necessity of culture.                            
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  4. 
                                The necessity for Masons to congregate in lodges. 10.                            
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  5. 
                                This means that obedience is something of necessity .                            
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