| 词汇 | drought |
| 释义 | drought noun[ C or U ] uk /draʊt/ us /draʊt/ C2 a long period when there is little or no rain: 久旱，旱灾 This year (a) severe drought has ruined the crops.今年严重的旱灾把庄稼都给毁了。 Dry weather, arid conditions & dryness aridity as dry as a boneidiom bone bone dryidiom dehydrate desertification desiccate desiccation dried dry (something) out dry something up dryness frazzled frizzled high and dry hyper-arid overdry parch parched sun-baked drought | American Dictionarydrought noun[ C/U ] us/drɑʊt/ a long period when there is little or no rain Examples of droughtdrought The effects of climate change (for example) include sea level rises, and increased frequencies of droughts, storms, and extreme temperatures. The effects of seasonal drought on background canopy-gap disturbance in the tropics are expected to be substantially compounded by the effects of major disturbances. Future global warming may also have an impact by increasing drought stress and mortality among defoliated trees. Therefore, we can hypothesize that severe droughts induce leaf shedding and flushing in the tropical rain forest. Small drought events would lead to nothing more than the population having to forage more intensely, while the resource base recovered. Pollen records poorly reflect cyclical droughts seen in isotopic records, as natural vegetation has adapted to these fluctuations. Its hegemony lasted until about 1450 when, during a period of severe drought and cold, its vassals revolted and destroyed the city. Some areas of moderate drought were completely surrounded by areas of severe devastation. In the central-north region it was ranked third, behind tolerance of marginal soils and of drought. For example, reduced-chemical technologies compete favorably with conventional production in drought-prone areas. This highlights the practical difficulty of breeding for drought-prone regions. These drought-prone conditions would likely favour more severe fires. Early maturity provides relative drought escape, especially at the season's end. The estimated curves characterize crop losses due to droughts as well as excessive rains causing siltation, excessive soil humidity, and floods. Leaves were harvested on the sixteenth day of drought stress. 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. Collocations withdroughtdroughtThese are words often used in combination with drought. Click on a collocation to see more examples of it. drought conditions Agricultural intensification in answer to drought conditions could not, or did not, include many drought-related agricultural features, such as terracing and irrigation. drought mitigation Conventional producer welfare theory is applied to the problem of valuing droughtmitigation. drought relief A substantial part of this budget category is actually transfer payments related to droughtrelief, which is clearly not an investment. 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. See all collocations with drought |
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