| 单词 | runoff |
| 释义 | runoff noun us/ˈrʌnˌɔf/runoffnoun(ELECTION)[C] a second orfinalelectionheldwhen no one got enoughvotestowinanearlierelection runoffnoun(LIQUID)[U]earth science waterthatflowsaway from highareastolowareas: Houses andsubdivisionscandisturbspringwaterrunoff from themountains. [U]earth science Runoff is alsochemicalsandanimalexcrementthatflowintoriversandlakesandpollutetheenvironment: Stormwater runoff is amajorsourceofwaterpollution. Examplesofrunoffrunoff However, by reducing the potential for surfacerunoffloss, the release of nitrogen available for plant use is also delayed. From theCambridge English Corpus No permanent streams traverse the area, although numerous barrancas carryrunofffrom seasonal showers. From theCambridge English Corpus The advantages of these systems include relatively highrunoffefficiencies and a relatively low risk of soil erosion. From theCambridge English Corpus Reducing deep drainage through controlledrunoffmanagement in high recharge tablelands landscape. From theCambridge English Corpus All these terraces are bordered to prevent erosion byrunoffand to improve water use efficiency. From theCambridge English Corpus Assessing phosphorous bioavailability in agricultural soils andrunoff. From theCambridge English Corpus Windstorms that cause tree uprooting on particularly unsteady soils as well as periodic strong runoffs contribute to create or maintain a local hummock-hollow topography. From theCambridge English Corpus These are three-sided storages; the fourth side on the higher gradient is left open forrunoffwater to enter. From theCambridge English Corpus More porous, less compacted soil structures on the rotation and no-till farms may also play a role in reducingrunoffvolume. From theCambridge English Corpus The conservation of trees prevents a reapportionment from groundwater recharge torunoffthat would otherwise occur. From theCambridge English Corpus A practical method for estimating the impact of land-use change on surfacerunoff, groundwater recharge and wetland hydrology. From theCambridge English Corpus The ice barrier, which was left in place until the completion of excavation, prevented anyrunofffrom introducing sediments from the excavation into the river. From theCambridge English Corpus Our results, indicating higherrunoffin exclusively row-cropped, conventionally tilled agricultural fields, are consistent with those of other investigators. From theCambridge English Corpus Based on field observations, infiltration pits must be sufficiently low to collect allrunoff, especially for those rainfall events with high amount and/or intensity. From theCambridge English Corpus There is also some evidence that the alteration torunoffand infiltration by termites affects large scale water movements and associations with groundwater. From theCambridge English Corpus 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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