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单词 rhinotheca
释义

rhinotheca


rhinotheca

(ˌraɪnəʊˈθiːkə) n, pl -cae (-siː) (Zoology) the covering of the upper part of the beak in birds

rhinotheca


rhinotheca

[¦rīn·ə′thē·kə] (vertebrate zoology) The horny sheath on the upper part of a bird's bill.
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