waterhole

FREQ #47470

n. 水坑, 水眼

词形变化

waterholes 复数 waterholes

别名

water hole water-hole

释义与例句

n.
  1. 1.

    A depression in which water collects, especially one where wild animals come to drink.

  2. 2.

    A watering hole; a place where people meet to drink and talk.

    非正式
  3. 3.

    A part of the electromagnetic spectrum, between the regions where hydrogen and hydroxyl radiate, that is relatively quiet in terms of radio astronomy.

    天文

词汇关系

名词

上位词 2

pool pond

相关短语

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.

来源：wiktionary