腐败: corruption, to corrupt, to rot, rotten...
熄灭: to stop burning, to go out (of fire), to die out, extinguished...
焊: welding, to solder, weld by heat...
强烈: intense, (violently) strong...
无比: incomparable, matchless...
暴利: sudden huge profits...
家家户户: each and every family (idiom), every household...
科学: science, scientific knowledge, scientific, rational...