| 单词 | thysanuran | 
| 释义 | thy·sa·nu·ran    (thī′sə-nrən, -nyr-)n.  Any of various wingless insects of the order Thysanura, which is usually defined as consisting solely of the silverfish and excluding bristletails of the order Archaeognatha. [From New Latin Thysanūra, order name : Greek thusanos, tassel + Greek ourā, tail; see  ors- in the Appendix of Indo-European roots.] thy′sa·nuran adj.  | 
	
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