The reactions of fish to AC can be distinguished into four stages: electrifying, electrotaxis, electronarcosis and electrocuting.鱼对交流电的反应可分成四个阶段: 感电 、 定向 、 麻醉和击昏反应....
每一站都喧闹地播放着十几岁少年所喜爱的劲爆迪斯科音乐。Teenage disco music pumped out at every station.一群小孩冲进来,喧闹地彼此追逐.A troop of children rushed in and chased each other noisily....
该厂产量成倍增长.The output of the factory has doubled and redoubled.资助教育的经费将成倍增加.Aid to education will increase manyfold.这里再一次发现,加入CCL4速度几乎成倍增长.Again it is found that addition of CCL 4 almost double the rate....