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单词 knotweed
释义

Definition of knotweed in English:

knotweed

noun ˈnɒtwiːdˈnätwēd
mass noun
  • 1A plant of the dock family, which typically has sheaths where the leaves join the stems and is often an invasive weed.

    Polygonum and other genera, family Polygonaceae: several species, in particular Japanese knotweed

    Example sentencesExamples
    • Another plant that has done well in our garden this year is a knotweed, labelled Persicaria filiformes ‘Variegata’.
    • Abundant goosefoot, some knotweed (both erect knotweed and other species), some wild rice, and seeds of various grasses and weeds were also recovered.
    • Barberry, knotweed, and ailanthus are just some of the horticultural immigrants that continue to out-compete many of our indigenous species.
    • A knotweed is so called because its roots are knotted or twisted; bistort means twice twisted.
    • Dock-leaved knotweed appeared in 1998, and overwhelmingly dominated the submergent littoral zone in 1999.
    1. 1.1 Knotgrass.
 
 

Definition of knotweed in US English:

knotweed

nounˈnätwēd
  • 1A plant of the dock family that typically has sheaths where the leaves join the stems. It is often an invasive weed.

    Polygonum and other genera, family Polygonaceae: several species, in particular Japanese knotweed

    Example sentencesExamples
    • Another plant that has done well in our garden this year is a knotweed, labelled Persicaria filiformes ‘Variegata’.
    • Barberry, knotweed, and ailanthus are just some of the horticultural immigrants that continue to out-compete many of our indigenous species.
    • Abundant goosefoot, some knotweed (both erect knotweed and other species), some wild rice, and seeds of various grasses and weeds were also recovered.
    • A knotweed is so called because its roots are knotted or twisted; bistort means twice twisted.
    • Dock-leaved knotweed appeared in 1998, and overwhelmingly dominated the submergent littoral zone in 1999.
    1. 1.1 Knotgrass.
 
 
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更新时间:2024/12/23 18:56:03