midribs 

  1. 名詞
midrib複數: (葉的)中脈

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The stem, laminae, tendrils and midribs are yellowish-green.                            
    2. 
                                                    
  2. 
                                The stem and midribs are yellowish-green, and the laminae dark green.                            
    3. 
                                                    
  3. 
                                Older leaves have irregular brown areas adjacent to the leaf midribs , veins, and leaf tips.                            
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  4. 
                                The laminae are green, whereas the stem, midribs and tendrils range from green, through yellow, to orange or even red.                            
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  5. 
                                Their leaves are simple, usually only a single layer of cells with no internal air spaces, often with thicker midribs .                            
    6.