swamp gas

名词 n.
中文释义

英文释义

名词 n.
  1. Gases emitted from a swamp. literally,uncountable
    — Swamp gas occasionally catches fire. Sometimes lightning sets off a patch of swamp gas.
  2. Hydrogen sulfide. colloquial,uncountable
  3. A skeptical explanation that is provided in order to debunk a UFO sighting that a believer regards as ludicrous, illogical or disingenuous. sarcastic,uncountable
    — He explained away an especially peculiar sighting with another helping of good old swamp gas.

词源

* (hydrogen sulfide): So called because it is often emitted from wetlands such as swamps as a result of anaerobic bacteria, and is responsible for their foul “rotten egg” odor.
* (ufology): An explanation given by then-skeptic J. Allen Hynek for an alleged UFO sighting in Michigan near Lake Huron in 1966.
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