/dɪsˈtʃɑ:dʒ ||; dɪsˈtʃɑrdʒ/verb[T] 1 to send sth out (a liquid, gas, etc) 排出（液体、气体等）: Smoke and fumes are discharged from the factory. 工厂排出烟和废气。
2 to allow sb officially to leave; to send sb away 准予离去；遣送: to discharge sb from hospital 让某人出院
3 to do sth that you have to do 履行；执行: to discharge a duty/task 履行义务；执行任务