back firing
英
美
- 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:
-
come back to the originator of an action with an undesired effect
-
emit a loud noise as a result of undergoing a backfire
-
set a controlled fire to halt an advancing forest to prairie fire
- 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。