单词	abscission zone
释义	abscission zone noun : the zone in a leaf petiole, fruit stalk, or branch often marked by a constriction within which is developed the separation layer, the vascular bundles in the zone usually being reduced in diameter, the sclerenchyma being weak or absent, the collenchyma lacking, and the cytoplasm of some of the parenchyma cells being denser than in adjacent cells Word History First Known Use 1904, in the meaning defined above
随便看	knifeboard knifed knifeful knifefuls knifeless knifelike knifeman knifemen knifepoint knifepoints knifer kniferman knifermen knifers knifes knifesmith knifeway Kniffin system knifing knight knight bachelor knight banneret knight baronet knight commander knight grand commander

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