总之, 感应电动势滞后于电流.In a word, the induced e . m . f . lags behind the current.任何这样的装置称为电动势源.Any such device is called a seat of electromotive force.这个电池两极的电动势是3.6伏特.The electromotive force between the two poles of this batte...
the bongs of Big Ben大本钟的嘡嘡声It ( Big Ben ) is not only of immense size, but it extremely accurate as well.它 ( 指“大本钟” ) 不仅巨大而且报时也准确.The Big Ben has ticked away the time accurately for many years.大本钟多年来都在准确地走时....
The crude, wet benzoate ( 118 grams ) was disslolved with reflux in 1,400 ml methanol.将粗制 、 湿的苯甲酸酯 ( 118克 ) 回流着溶于140毫升甲醇中.Unimmunized contacts, especially infants, should receive 2 to 4 ml. of hyperimmue gamma globulin i...
Says he, if wild mans come, they eat me, you go away.他说:"如果野人来了, 他们吃掉我, 你可以逃走.The world champion racing driver met his Waterloo at Le Mans.在勒芒举行的赛车比赛中,这位世界冠军遭到彻底失败.Mans looked ruefully at his bottle of champagne.曼斯沮丧地看了看...