irruptive 

  1. 形容詞
侵入的
(生物)急劇增加的

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The third, and perhaps the most beautiful, of the ' irruptive ' species is the waxwing.                            
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  2. 
                                Another phenomenon of late summer and autumn is the arrival of so-called ' irruptive ' species.                            
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  3. 
                                Their numbers fluctuate during drought and floods, and can be irruptive in response to sudden increases in mouse populations.                            
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  4. 
                                However, it is one of the irruptive species that will come south in years where the Snowshoe Hares and Voles are in short supply.                            
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  5. 
                                Due to the irruptive nature of this species, populations vary widely from year to year, and trends can be difficult to interpret.                            
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