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trough 中文解釋 wordnet sense Collocation Usage
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troughs, plural;
  1. A long, narrow open container for animals to eat or drink out of
    • - a water trough
  2. A container of a similar shape used for a purpose such as growing plants or mixing chemicals

  3. A channel used to convey a liquid

  4. A long hollow in the earth's surface
    • - a vast glacial trough
  5. An elongated region of low atmospheric pressure

  6. A hollow between two wave crests in the sea

  7. A low level of economic activity

  8. A region around the minimum on a curve of variation of a quantity

  9. A point of low achievement or satisfaction
    • - learning a language is a series of peaks and troughs

  1. a narrow depression (as in the earth or between ocean waves or in the ocean bed)
  2. gutter: a channel along the eaves or on the roof; collects and carries away rainwater
  3. bowl: a concave shape with an open top
  4. public treasury: a treasury for government funds
  5. a long narrow shallow receptacle
  6. manger: a container (usually in a barn or stable) from which cattle or horses feed
  7. In geology, a trough generally refers to a linear structural depression that extends laterally over a distance, while being less steep than a trench. A trough can be a narrow basin or a geologic rift. ...
  8. A trough is an elongated region of relatively low atmospheric pressure, often associated with fronts.
  9. A crest is the point on a wave with the maximum value or upward displacement within a cycle. A trough is the opposite of a crest, so the minimum or lowest point in a cycle.Kinsman (1984) p. 38.
  10. The Trough is a large river gorge carved by the South Branch Potomac River situated in the Allegheny Mountains of Hampshire and Hardy Counties, West Virginia, USA. ...
  11. A long, narrow container, open on top, for feeding or watering animals; Any similarly shaped container; A gutter under the eaves of a building; an eaves trough; A short, narrow canal designed to hold water until it drains or evaporates; A long, narrow depression between waves or ridges; A ...
  12. The transition point between economic recession and recovery.
  13. An elongated area of relatively low atmospheric pressure.
  14. The bottom of a wave, the valley between the crests.
  15. Low pressure systems are areas, or closed systems, of low pressure and are also known as troughs and cyclones. Low pressure systems are associated with counter-clockwise rotating air, in which at the surface the air moves toward the center, and away from the center at high levels. ...
  16. High-temperature (180+) concentrator with one axis-tracking.
  17. The point in the business cycle when an economic contraction reaches its lowest level before turning up. Contrasts with peak.
  18. A deep path, full of ruts, between moguls.
  19. The minimum drug concentration in the blood, usually just before the next dose.
  20. A region,often the extension of a low,where air is mainly ascending,leading to rain,showers etc,and temporary deterioration.There are two types of trough frontal and air masses. ...
  21. A long and broad submarine DEPRESSION with gently sloping sides.
  22. The lowest part of the wave between successive crests.
  23. The part of an ocean wave that is displaced below the still water line.*
  24. The area of a diaper between the legs, especially in the middle and back. When standing, this area can form a pocket that can hold urine, even after the padding is saturated. Diapers designed for fecal incontinence have a deeper trough than those designed to hold urine only.
  25. A charting term, also known as a bottom (eg. in charting prices, a trough is the point where the price bottoms before the pressure to buy pushes it back up). (See also Peak).