blowback
英
美
n. 自由枪机式; 气体后泄；泵回；回爆；回火; 后坐；后坐力
COCA.33862
英英释义
noun
- misinformation resulting from the recirculation into the source country of disinformation previously planted abroad by that country's intelligence service
- the backward escape of gases and unburned gunpowder after a gun is fired