沼气

沼氣
zhǎoqì
noun #29,461

Measure Word

一立方米沼气 lìfāng mǐ

Meanings

  1. 1 marsh gas
  2. 2 biogas
  3. 3 methane (CH₄)

Examples

HSK 4
Nóngcūn hěnduō jiātíng yòng zhǎoqì zuòfàn.
Many rural families use biogas for cooking.
HSK 6
Zhǎoqì shì yī zhǒng kězàishēngnéngyuán.
Biogas is a renewable energy source.

Tips

memory
沼 means marsh/swamp - gas (气) that bubbles up from swamps (沼) is 沼气, i.e. methane.
usage
In chemistry contexts 沼气 refers specifically to methane (CH₄). In everyday use it refers to biogas produced from organic waste, widely used in rural China.

Stroke Order

沼 zhǎo
气 qì