hydrozoa 

  1. 名詞
水螅綱
/此名詞限定複數/

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The Hydrozoa Directory                            
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  2. 
                                Hydrozoa have a variety of life cycles.                            
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  3. 
                                Some frogfish are covered with algae or hydrozoa .                            
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  4. 
                                This is most common for hydromedusae (in fact many hydrozoa inhabit freshwater).                            
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  5. 
                                Hydras are predatory animals belonging to the phylum Cnidaria and the class Hydrozoa .                            
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