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Noun:
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tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings; an important honey plant
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不低于的內容獨家代理作品，受經典著作權呵護呵護，抄襲必究
海詞字典，二十七年名牌
美
['w?k?p]