| 单词 | drain |
| 释义 | Word Frequency drain(dreɪn) noun 1. a pipe or channel that carries off water, sewage, etc 2. an instance or cause of continuous diminution in resources or energy; depletion 3. surgery a device, such as a tube, for insertion into a wound, incision, or bodily cavity to drain off pus, etc 4. electronics the electrode region in a field-effect transistor into which majority carriers flow from the interelectrode conductivity channel 5. down the drain verb 6. (transitive; often foll by off) to draw off or remove (liquid) from to drain water from vegetables to drain vegetables 7. (intransitive; often foll by away) to flow (away) or filter (off) 8. (intransitive) to dry or be emptied as a result of liquid running off or flowing away leave the dishes to drain 9. (transitive) to drink the entire contents of (a glass, cup, etc) 10. (transitive) to consume or make constant demands on (resources, energy, etc); exhaust; sap 11. (intransitive) to disappear or leave, esp gradually the colour drained from her face 12. (transitive) (of a river, etc) to carry off the surface water from (an area) 13. (intransitive) (of an area) to discharge its surface water into rivers, streams, etc Derived forms drainable (ˈdrainable) adjective Word origin Old English drēahnian; related to Old Norse drangr dry wood; see dry |
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