ˌrun sth↔ˈdown1to make sth lose power or stop working使耗尽能量;使停止工作If you leave your headlights on you'll soon run down the battery.如果你让车头灯一直亮着,很快就会把电池耗尽。2to make sth gradually stop functioning or become smaller in size or number使逐渐失去作用;使萎缩;使衰减The company is running down its sales force.公司正在削减销售人员。related nounrundown (1) |