far away, so they don’t need to be so powerful. Mobile phones today use small batteries. A large city... phones need large powerful batteries some years ago ……

From mobile technology to cloud computing, from driverless cars to powerful batteries, the past decade has seen many game-changing innovations around the world. But a new report from Thomson Reuters ……

large batteries (电池). They had to be powerful to send their signals to far away places... phone doesn’t have to send its signal far away, so they don’t need to be so powerful. Mobile phones ……

Collect old batteries for new gifts 收集旧电池，为环保做贡献。THERE was a meaningful activity in my school a couple of days ago. As we all know, if we throw away used batteries (电池) everywhere, our environment ……

.John B. Goodenough, 97, American Goodenough developed more powerful and safer lithium-ion batteries...诺奖得主：我和化学的小故事How do mobile phones or electric (电动的) cars work? They use lithium-ion batteries (锂离 ……

, flawed (有瑕疵的) phone batteries might be to blame. Even if you are not a science student, you probably know... a powerful electrical reaction that can destroy the battery and cause a fire. This is why all lithium-ion (锂离 ……

未来5年会涌现哪些新科技？词数 306 建议阅读时间 5分钟 AIR-POWERED batteries, 3-D cell phones and personalized commutes (个性...子) batteries could be replaced by batteries that “use the air to react (起反应) with energy-dense (能量密集型) metal ……

electricity. Cheap,disposable, and renewable, urine-powered batteries may be the perfect power...?AUSTRALIAN scientists are collecting blood from crocodiles in the hope of developing a powerful antibiotic ……

6,000 special cells (细胞). The cells can store power like tiny batteries and release powerful ……

smaller, more powerful, long-lived, and lighter-weight and above all, cheaper batteries for plug.... The batteries are rather heavy and you also have to run the engine regularly to keep them charged. A plug ……

Green planeLook at this small plane. Its name is Oxyflyer. It is the first plane to fly on batteries (靠电池飞行). ……

examples of "powerful" idioms:out like a light:to fall into a deep sleepburn the midnight oil:to stay up... sitting in an office discussing things.recharge your batteries:to relax and regain lost energylive wire ……

smaller, more powerful, long-lived, and lighter-weight and above all, cheaper batteries for plug.... The batteries are rather heavy and you also have to run the engine regularly to keep them charged. A plug ……

废旧电池去了哪里?I collect used4 batteries because they pollute5 the soil and water. That’s harmful... in the recycling box (回收箱). In daily life, we should use less batteries, or use rechargeable (可充电的) batteries. ……

to make smaller, more powerful, long-lasting, lighter-weight and, above all, cheaper batteries... decisions, save natural resources (资源) and protect our Earth.”Did you know?Batteries are the big ……