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pennyroyal

英 [penɪ'rɒɪəl] 美 ['pɛnə'rɔɪəl]

n. 薄荷油

英文词源

pennyroyal (n.): herb, 1520s, alteration by folk etymology of Anglo-French puliol real; for second element see royal; first element ultimately from Latin puleium "thyme," of unknown origin.