cetaceans 

  1. 名詞
cetacean複數: 鯨類動物
鯨, 鯨魚

    
                        
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例句

                

                    
    
                                                    
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                                Dolphins are cetaceans , like whales.                            
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                                Cetaceans have few predators other than man.                            
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                                Two interesting diseases cases in wild cetaceans .                            
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                                Skin Disease in wild cetaceans from British waters.                            
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                                Cetaceans and plesiosaurs would have made excellent meals.                            
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