No other kind of electric charge has been found.到现在为止,还没发现其他种类的电荷.Electric charge may be detected qualitatively by sprinkling or blowing indicating powders.静电荷可以用撒布指示粉剂的方法,予以探测.They have no electric charge and are comple...
Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.道格拉斯29岁，是个技术不错的拳击手，在以前的比赛中发挥不太稳定。Last night he was being held in solitary confinement in Douglas jail.昨晚他被单独监禁在道格拉斯的监狱里。If Douglas came down ha...