groundbreaking 

  1. 形容詞
開創性的

    
                        
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  2. 

    名詞
不可數名詞:
破土
奠基, 動工

    

    
                        
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例句

                

                    
    
                                                    
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                                Tha's why footprints is so groundbreaking .                            
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                                For the time, their work was groundbreaking .                            
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                                A late 1990 date for groundbreaking was anticipated.                            
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                                But 2014's entry could be even more groundbreaking .                            
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                                A groundbreaking ceremony took place on April 7, 2011.                            
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