| 单词 | bracken |
| 释义 | bracken noun[U] uk/ˈbræk.ən/us/ˈbræk.ən/alargefern(= atypeofplant)thatgrowsthicklyinopenareasofcountryside,especiallyonhills, and inwoods 欧洲蕨 Arterra / Contributor/Universal Images Group/GettyImages Common plants
Examplesofbrackenbracken They vary from heather moorland to agrostis pastures invaded by gorse andbracken. From theCambridge English Corpus The percentage cover of grasses,bracken, heather, and moss was estimated using ten randomly positioned 0.25 m2 quadrats. From theCambridge English Corpus The forest/savanna boundaries were well-defined with graminoid species dominating to the forest edge in most areas, where somebrackenwas also present. From theCambridge English Corpus The suppression ofbrackenand regenerating woodland scrub is also detrimental to the conservation of much of its flora. From theCambridge English Corpus Kuhn (bracken) and containing charred stumps of trees indicates that forest retreat has been widespread in the recent past. From theCambridge English Corpus Routine annual management has been carried out to try to suppressbrackencolonisation,9 as well as periodic attempts to clear extensive areas of gorse and scrub. From theCambridge English Corpus Grassland communities predominated but the different tone and texture in the central portion of the common suggestsbrackenand gorse colonisation. From theCambridge English Corpus Forest recovery in these areas seems to be exceptionally slow, and repeated fires in thebracken-covered areas appears to lead to their gradual transformation into graminoid-dominated savanna. From theCambridge English Corpus Kuhn and their importance for re-vegetation afterbrackencontrol. From theCambridge English Corpus Bracken's arguments concern trauma, a culture-bound disorder and not schizophrenia or dementia. From theCambridge English Corpus I have known fields that in the last 10 years have gradually disappeared, encroached upon bybracken, thistles, or ragwort. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 And nothing annoys and irritates me more than, to see land being wasted, even if it happens to be by the presence of beautifulbracken. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 That cattle would get rid of thebracken, which is one of our greatest blights, and the nation would benefit from the food we produced. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Some of them, within living memory, provided pasturage for sheep, cattle, goats and horses, but they are now overgrown withbracken, thorns and brambles. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They have no desire to disturb wildlife or to struggle withbracken, bramble or briar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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