单词:hand switch for electric signal
单词:hand switch for electric signal 相关文章
Electricity is one of the most important inventions ever. It is the thing that powers the Earth. If there was no electricity, wed be back in the dark ages. Few people stop and think just how amazing electricity is. With the flick of a switch, you can
Electricity is one of the most important inventions ever. It is the thing that powers the Earth. If there was no electricity, wed be back in the dark ages. Few people stop and think just how amazing electricity is. With the flick of a switch, you can
Electric Shocks, Not Drugs, Help A Brain Disease 一种电刺激而非药物可以帮助治疗大脑疾病 From VOA Learning English this is the Health Report. Modern medicine mainly uses drugs to cure disease. But what if drugs were replaced with el
1. replace,取代;以...代替。 eg:Electric lights have replaced candles. 电灯已经取代了蜡烛。 2. trend,趋势。 eg:The general trend of history is unalterable. 历史发展的总趋势是不可改变的。 3. switch,改变,转移,变
elevated railway, overhead railway, aerial railway 高架铁路 mine railway 矿区铁路 funicular (railway) 缆索铁路,登山铁路 light railway line 轻便铁道 urban railway 市区铁路 rai