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 delta ['dɛltə]   添加此单词到默认生词本
n. 三角洲, 希腊字母的第四个字

[医] δ(希腊文的第四个字母), 丁种, 三角, 三角形区

[经] 三角洲


  1. There are fertile fields in the Nile Delta.
    尼罗河三角洲土地肥沃。
  2. Sediment deposited by flowing water, as in a riverbed, flood plain, or delta.
    冲积层河床、洪水淹没的平原或三角洲中的流水淤积所产生的沉积层
  3. A section of the Meuse River flowing westward through the southern Netherlands to a joint delta with the Rhine River.
    马斯河默兹河的一部分，向西流经荷兰南郊与莱茵河相汇而形成一片冲积三角洲


delta
[ noun ]
  1. a low triangular area of alluvial deposits where a river divides before entering a larger body of water

    2. <noun.object>
    the Mississippi River delta
    the Nile delta
  2. an object shaped like an equilateral triangle

    3. <noun.shape>
  3. the 4th letter of the Greek alphabet

    4. <noun.communication>


Delta \Del"ta\, n.; pl. {Deltas}. [Gr. de`lta, the name of the
fourth letter of the Greek alphabet (the capital form of
which is [Delta], Eng. D), from the Ph[oe]nician name of the
corresponding letter. The Greeks called the alluvial deposit
at the mouth of the Nile, from its shape, the Delta of the
Nile.]
1. The fourth letter of the Greek alphabet ([Delta] [delta]),
corresponding to {D}. Hence, an object having the shape of
the capital [Delta].
[Webster 1913 Suppl.]

2. A tract of land shaped like the letter delta ([Delta]),
especially when the land is alluvial and inclosed between
two or more mouths of a river; as, the delta of the
Ganges, of the Nile, or of the Mississippi.

3. (Elec.) The closed figure produced by connecting three
coils or circuits successively, end for end, esp. in a
three-phase system; -- often used attributively, as delta
winding, delta connection (which see), etc.
[Webster 1913 Suppl.]

  1. Flooding, an annual feature in the low-lying delta nation of Bangladesh, claimed more than 1,400 lives in 1988 when the country's worst flood in memory occurred.
  2. Royal Dutch/Shell's Shell Canada unit disclosed plans for a major oil exploration effort in Canada's northern Mackenzie River delta area.
  3. The report also noted that industries in the delta rely too heavily on harvesting its rich agricultural and mineral resources and too little on making products out of them.
  4. We co-ordinate all the large projects.' Taking pride of place among these developments is the transformation of Daxie Island, situated to the south of Ningbo port and offering access to China's industrial heartland in the Yangtze river delta.
  5. Environmentalists argue that the smelt is an "indicator species," and that its troubles indicate that "the delta and bay systems are very sick," says Tryg Slettleland, a fisheries consultant.
  6. I doubt if a dam site can be found in Bangladesh, and what good would it do in a delta region that is already flooded?
  7. For one thing, there is considerable debate about the cause of the smelt's decline, and about how crucial smelt are to the ecosystem of the delta they inhabit, formed by the Sacramento and San Joaquin rivers as they spread out into San Francisco Bay.
  8. KIC 1, presumably aimed at a huge underground structure beneath the Jago River delta, is smack in the middle of that strip.
  9. South-east Asia's technological revolution seems to have by-passed the Red River delta. In the port of Haiphong, I find a Moscvich communal taxi to take me on to Halong.
  10. The dream is to turn the marshes and rice paddies of the Tumen River delta into a metropolis of 500,000 people and entrepot to rival Rotterdam and Hong Kong.
  11. The schools were the brainchild of Judge Leander Perez, legendary political strongman of Plaquemines Parish, which covers the delta of the Mississippi River.
  12. In a free-flowing system, there was up to 500 million tons a year." It took 700 years for Mississippi River sediment to build the marshes of the current delta.
  13. BY THE end of 1997, the delta of Southern China's Pearl River could be the focus of five new international airports.
  14. I do not believe that protection is possible in some of our fields,' which are spread across a vast area of the Niger delta. 'There are too many small fields too exposed to attack or sabotage.
  15. Once rich through trade in slaves for America, palm oil and fish, the Kalabaris' marshy delta lands are now literally a backwater, Barley says.
  16. The link, which is scheduled to open in 1997, is part of a development plan for the buoyant Pearl River delta, which includes Canton and Zhuhai.
  17. Another Iraqi proposal is that the Shatt-al-Arab waterway, which forms the delta of the Tigris and Euphrates rivers and is Iraq's only sea outlet, be cleared under U.N. auspices.
  18. The Pearl river delta is like a giagantic game of Monopoly, sprouting factories, apartments and office towers.
  19. Oil spurts out of a broken pipeline and seeps into the tropical bush of the Niger delta.
  20. Depending on the quantity of rain and the time of year, the river is navigable for 930 miles from Bhamo in the north to the delta, a 150-mile-wide vista of rice paddies.
  21. Drought has laid waste to the once-lush Tokar delta on Sudan's Red Sea coast for the first time this century, and the government has reportedly declared a famine-struck western region a disaster area.
  22. Without this sediment, the shoreline of the delta began to wash away.
  23. A river boat capsized Thursday along the Ganges delta southeast of Calcutta, and 150 people were missing, a news agency reported.
  24. Built on mosquito-infested delta land 80 miles above the Bay of Bengal, Calcutta suffers temperatures above 100 day after day in summer.
  25. The report notes Arkansas' success in developing retirement communities and suggests other parts of the delta region could do the same.
  26. Skerritt describes it as a human comedy about an older man with a heart condition who leaves a retirement home to take a last trip on the Sacramento delta in his houseboat.
  27. The 128 inspection passages are already constructed. When Phase One is completed, in about December 1993, it will be extended to link with the western side of the delta, via the Boca Tigris bridge across the Pearl River.
  28. Alexander, who gazes heavenward in a dashing little portrait bust, laid out Alexandria in the Nile's delta before he died in 323 B.C.
  29. Typically, the workers come to the delta on one-year contracts and are paid piecework wages, living in simple dormitories provided by their employers.
  30. The Lower Rio Grande Valley, actually a delta of the Rio Grande, also has some of the poorest residents of the United States.
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