Unleaded gasoline rose more than a penny a gallon.无铅汽油每加仑涨了1分多。The new Metro is designed to run on unleaded fuel.新的地铁系统设计为使用无铅燃料。All its V8 engines will run happily on unleaded.其所有的V8引擎使用无铅汽油都将运转顺畅。...
电流滞后于电压.The current lags behind the voltage.如果输入的电压是+3伏, 那么输出的电压便是-6伏.If the input voltage is plus three , it comes out as minus six.我们用以表示电压和电流的单位分别为伏特和安培。The units in which we show voltage and current are volt and ampe...
They forgot all their fears and all their miseries in an instant.他们马上忘记了一切恐惧和痛苦.I'm suffering the miseries of unemployment.我正为失业而痛苦.The miseries I went through made me suddenly realise with a blinding flash what lif...