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单词 overfall
释义
overfall
noun[C]
geographyspecialized
uk
/ˈəʊ.və.fɔːl/us
/ˈəʊ.vɚ.fɑːl/
anareaof veryroughwatercausedby araisedareain thegroundunder thewater, or by themeetingof twocurrents(=movementsofwaterin aparticulardirection):
（由于水下的凸起或水流的交汇而形成的）异常汹涌的水域
Thewatercanthrowupgreatoverfalls, whichsmallboatsshouldtrytoavoid.水中会出现异常汹涌的水域，小船应尽量避开。
More examples
  • The overfalls arehugeand verydangerous.
  • Theseawaswhitefrom themassiveoverfalls.
  • Withitsfiercecurrentsand overfalls, thisstretchofwaterisdifficulttosailthrough.
  • Theareaisnotoriousforitstidaloverfalls andtreacherousreefs.
SMART Vocabulary: related words and phrases
Floods, tides & currents
  • current
  • ebb
  • eddy
  • flash flood
  • flooded
  • floodgate
  • floodplain
  • gyre
  • high tide
  • high water mark
  • inundation
  • longshore drift
  • low-water mark
  • tidal
  • tide table
  • tidemark
  • turbulence
  • turbulent
  • water
  • waterline
See more results »

You can also find related words, phrases, and synonyms in the topics:

Waves
Seas & oceans
(Definition ofoverfallfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofoverfall

overfall
The force of the tides gives rise to overfalls and tidal races which can occur at different stages of the tide.
From
Wikipedia
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There is none of the danger of the heavyoverfallof a following sea.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The dam measures 793 ft in length, with anoverfallarea that is 169 ft long.
From
Wikipedia
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Theoverfallarea is faced on the downstream side with cut granite, and earthen embankment on the upstream side.
From
Wikipedia
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The maximum height of masonry above rock is 82 feet and theoverfallat the spillway, 61 feet.
From
Wikipedia
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Theoverfallarea is topped with cut granite, and originally had wooden flashboards held in by pins.
From
Wikipedia
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There is a granite-linedoverfallarea 100 ft long, which was originally topped by flashboards.
From
Wikipedia
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The dam is 1376 ft in length, with a centeredoverfallarea.
From
Wikipedia
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Until 2011, the major outflow from the pond was anoverfallin the extreme southern corner of the pond.
From
Wikipedia
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The masonry has a maximum height of 82 feet above rock and theoverfallat the spillway is 61 feet.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
The dam'soverfallspillway has five radial gates with a combined maximum discharge of 137,000 cuft/s.
From
Wikipedia
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The dam'soverfallspillway has five radial gates with a combined maximum discharge of 141,000 cuft/s.
From
Wikipedia
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The central portion is anoverfallspillway.
From
Wikipedia
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In that formulation flow over the freeoverfallillustrated in figure 2 was considered.
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.
#https://dictionary.cambridge.org//dictionary/english/overfall##
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更新时间：2024/12/27 3:27:30