| 单词 | holdfast | 
| 释义 | holdfast [`hōl´fast]  BOTANY 1. A suckerlike base which attaches the thallus of certain algae to the support.  2. A disklike terminal structure on the tendrils of various plants used for attachment to a flat surface.  INVERTEBRATE ZOOLOGY An organ by which parasites such as tapeworms attach themselves to the host.  | 
	
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