她相当顽固，宗教观念极强。She was a fairly rigid person who had strong religious views.乔伊斯被她同事的顽固激怒了。Joyce was irritated by the inflexibility of her colleagues.这个方法能清除大多数顽固污渍。This treatment removes the most stubborn stains....
In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.Wires criss-cross between the tops of the poles, forming a grid.电线杆顶端的电线相互交错，形成电线网。Gri...