| 单词 | ectotrachea | 
| 释义 | > as lemmasectotrachea   ectotrachea  n.  Brit.  , U.S.   Entomology the outer epithelial layer of the trachea of an insect.ΚΠ 1898    A. S. Packard Text-bk. Entomol. 684  				The larval ectotrachea undergoes histolysis. < as lemmas  | 
	
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