It is brewed from malt and hops.它用麦精和蛇麻草酿成.German beer has traditionally been made from just four ingredients — hops, malt, yeast and water.德国啤酒传统上只用4种原料——啤酒花、麦芽、酵母和水。Hops serve to embitter beer.酒花的作用是使啤酒发苦.They were afr...
He gave his counter a polish with a soft duster.他用软抹布擦亮了自己的柜台。The maid went over the room quickly with a duster.那个女仆用掸子很快地给房间掸尘.He went over the surfaces with a duster.他用抹布擦干净了表面....
The systems are getting smaller and using lower voltages.这些系统变得更小，使用的电压也更低。The exact voltages used depend on the local supply.具体电压要视地区供电情况而定.Precision shunts are used to convert currents to voltages for the amps function...