hydrozoans 

  1. 名詞
hydrozoan複數: 水螅蟲類的蟲

    
                        
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例句

                

                    
    
                                                    
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                                (1974) "Some hydrozoans of the Bonin Islands"                            
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                                Hydrozoans of some sort> I've attached a picture, hoping that you can ID them.                            
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                                Hydrozoan polyps only bud, while the medusae of some hydrozoans can divide down the middle.                            
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                                Examples of green-beard behavior have been found in hydrozoans , slime molds, yeast, and ants.                            
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                                Other predators include nudibranchs, starfish, nemertean worms, sea anemones, and hydrozoans .                            
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