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petiole n. 叶柄,柄,柄部 叶柄,柄,柄部 petiole n 1: the slender stem that supports the blade of a leaf [synonym: {petiole}, {leafstalk}] Petiole \Pet"i*ole\ (p[e^]t"[i^]*[=o]l), n. [F. p['e]tiole, fr.
L. petiolus a little foot, a fruit stalk; cf. pes, pedis, a foot.] 1. (Bot.) A leafstalk; the footstalk of a leaf, connecting the blade with the stem. See Illust. of {Leaf}. [1913 Webster] 2. (Zool.) A stalk or peduncle. [1913 Webster]
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