最終更新日：2022/12/07
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(botany) A small barb or beard. / (ornithology) Any of the secondary barbs that form a fringe of small projections on a feather.
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(botany) A small barb or beard. / (ornithology) Any of the secondary barbs that form a fringe of small projections on a feather.
DiQt（ディクト）
無料
★★★★★★★★★★
