costae 

  1. 名詞
costa複數: 肋骨
(昆蟲的)前緣脈
植物的: 中脈, 主脈/
緣, 肋脈
/此名詞同"costas"/

    
                        
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例句

                

                    
    
                                                    
  1. 
                                "Calypte costae " Costa's Hummingbird                            
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  2. 
                                Costa's hummingbird ("Calypte costae ")                            
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                                The shells typically have blade-like vertical ribs, known as costae .                            
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                                It also differs from P. flexilis in having immersed capsules, and leaves with long (but faint) single costae .                            
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                                Its leaves are broadly concave, have serrulate leaf margins, linear-flexuose cells, and short double (rarely single) costae .                            
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