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 bitterweed   添加此单词到默认生词本
['bitәwi:d]
n.
含有苦素的植物(如豚草等)Bittner milk factor
[生化]毕特纳乳因子



    bitterweed
    [ noun ]
    1. widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States

    2. <noun.plant>
    3. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

    4. <noun.plant>


    Bitterweed \Bit"ter*weed`\, n. (Bot.)
    A species of {Ambrosia} ({Ambrosia artemisi[ae]folia}); Roman
    worm wood. --Gray.

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