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....
Have you done your home-work, Gemma?杰玛，你做完家庭作业了吗？Let's take Gemma by there now.我们赶紧把Gemma送去.Good - bye , and thanks for bringing Gemma in.再见, 谢谢你们把Gemma送来.Gemma thought Gadfly was Arthur, but she could not make sure...
她声音激昂，目光如火。Her voice is passionate. Her eyes are ablaze.他那激昂的吉他演奏与其味同嚼蜡的歌唱之间的反差the contrast between his overwhelming guitar-playing and his underwhelming singing他们离开的那个早上,群情激昂.There was a fury of activity on the morning ...
Some commercial laboratories use periodic nitrate tests as guides.许多商业性的试验室已应用定期的硝态氮分析作为指导.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲...
若要当地公共汽车时刻表，请与达费德郡政务委员会联系。For a local bus timetable, contact Dyfed County Council.查火车时刻表上到北京的列车.Look up the trains to Beijing in the timetable.大暴风雪搞乱了火车时刻表.The train schedule was disorganised by heavy snow - storms....
A sense of impending doom came upon all of us.我们所有人都有一种大难临头的感觉。Against a background of impending famine, heavy fighting took place.即将发生饥荒之时, 严重的战乱爆发了.The king convoke parliament to cope with the impending danger.国王召开国会以应...