back firing

英 美
  • 回火
  • back n.后面;背脊;靠背;后背;后卫vt.支持;后退adv.向后地adj.向后的;后面的;偏远的;过时的;积欠的
  • firing n.开火;解雇;生火;加热;燃料动词fire的现在分词.
动词 backfire:
  1. come back to the originator of an action with an undesired effect

  2. emit a loud noise as a result of undergoing a backfire

  3. set a controlled fire to halt an advancing forest to prairie fire

    1. If the engine backfires, the sudden pressure in the intake manifold forces the valve back.
      如果发动机回火,进气歧管骤增的压力就迫使阀门向后移动。