thirties 

  1. 名詞
thirty複數: ...(幾)個三十
限定複數the thirties:
三十年代
三十到三十九
三十歲至三十九歲的時期
三十度到三十九度

    
                        
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  2. 

    形容詞
(人)in ...(主詞)'s thirties:
三十幾歲的

    

    
                        
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  3. 

    副詞
in ...(人)'s thirties:
在...三十幾歲時
在...三十幾歲的時候

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                In her thirties , I'd say.                            
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  2. 
                                I'm a guy in my thirties .                            
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  3. 
                                Erm he was in his thirties .                            
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  4. 
                                This was during the mid thirties ?                            
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  5. 
                                It was a revue back in the thirties .                            
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