| 单词 | pteryla | 
| 释义 | pteryla(ˈtɛrɪlə) nounWord forms:  plural -lae (-ˌliː)  ornithology any of the tracts of skin that bear contour feathers, arranged in lines along the body of a bird Word origin C19: from New Latin, from Greek pteron feather + hulē wood, forest | 
	
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