| 单词 | feather-tract |
| 释义 | > as lemmasfeather-tract feather-tract n. ΚΠ 1878 F. J. Bell tr. C. Gegenbaur Elements Compar. Anat. 419 The arrangement also of these first rudiments of the feathers in definite areas (feather-tracts, pterylia). < as lemmas |
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