| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024trough /trɔf, trɑf/USA pronunciation n. [countable]- a long, narrow, open, boxlike container, used chiefly to hold water or food for animals.
- Buildinga channel for carrying water away.
- the lowest point, esp. in an economic cycle.
WordReference Random House Unabridged Dictionary of American English © 2024trough (trôf, trof or, sometimes, trôth, troth),USA pronunciation n. - a long, narrow, open receptacle, usually boxlike in shape, used chiefly to hold water or food for animals.
- any of several similarly shaped receptacles used for various commercial or household purposes.
- Buildinga channel or conduit for conveying water, as a gutter under the eaves of a building for carrying away rain water.
- Oceanographyany long depression or hollow, as between two ridges or waves.
- Geology, Oceanography[Oceanog.]a long, wide, and deep depression in the ocean floor having gently sloping sides, wider and shallower than a trench. Cf. trench (def. 4).
- Meteorologyan elongated area of relatively low pressure.
- the lowest point, esp. in an economic cycle.
- bef. 900; Middle English; Old English trōh; cognate with Dutch, German, Old Norse trog
Collins Concise English Dictionary © HarperCollins Publishers:: trough /trɒf/ n - a narrow open container, esp one in which food or water for animals is put
- a narrow channel, gutter, or gulley
- a narrow depression either in the land surface, ocean bed, or between two successive waves
- an elongated area of low pressure, esp an extension of a depression
- a single or temporary low point; depression
- the portion of a wave, such as a light wave, in which the amplitude lies below its average value
- the lowest point or most depressed stage of the trade cycle
Etymology: Old English trōh; related to Old Saxon, Old Norse trog trough, Dutch trügge ladle |