waterhole

名词 n.
中文释义

英文释义

名词 n.
  1. A depression in which water collects, especially one where wild animals come to drink.
    — From habit the sheep would head for the river, but, though it was early spring, the winter had been droughty, and the river was only a string of dangerous water-holes.
  2. A watering hole; a place where people meet to drink and talk. informal
  3. A part of the electromagnetic spectrum, between the regions where hydrogen and hydroxyl radiate, that is relatively quiet in terms of radio astronomy.

词形变化

waterholes plural water-hole alternative water hole alternative

词汇关系

衍生词
Freemans Waterhole

词源

* water + hole.
* (astronomy): Coined by Bernard Oliver in 1971, in allusion to the idea that this part of the spectrum would be that used by extraterrestrial intelligence to communicate.
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