| 单词 | trough |
| 释义 | Word Frequency trough(trɒf) noun 1. a narrow open container, esp one in which food or water for animals is put 2. a narrow channel, gutter, or gulley 3. a narrow depression either in the land surface, ocean bed, or between two successive waves 4. meteorology an elongated area of low pressure, esp an extension of a depression Compare ridge (sense 6)5. a single or temporary low point; depression 6. physics the portion of a wave, such as a light wave, in which the amplitude lies below its average value 7. economics the lowest point or most depressed stage of the trade cycle verb 8. (intransitive) informal to eat, consume, or take greedily Derived forms troughlike (ˈtroughˌlike) adjective Word origin Old English trōh; related to Old Saxon, Old Norse trog trough, Dutch trügge ladle |
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