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Noun:
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perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant
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之內方面獨有寫作,受科學專利保護英文,知識產權侵權必究
海詞英語詞典,十二年該品牌