单词 | hypoptilum |
释义 | > as lemmashypoptilum Categories » hypoptilum n. Brit. /hʌɪˈpɒptᵻləm/ , U.S. /haɪˈpɑptələm/ [Greek πτίλον feather] Ornithology the subsidiary shaft or plume of a feather, which springs from the main stem at the junction of quill and rachis; the after-shaft, the hyporachis.< as lemmas |
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