We can use a potato to make a battery (电池). ……

This jacket can heat (加热) itself. It uses battery (电池). You need to charge the battery. Then the battery makes the jacket warm for four and a half hours. The jacket is smart. It can change ……

A battery (电池) can be made out of (由……做) a potato. ……

Does your battery (电池) have enough electricity6? Do you need to charge (充电) it? Use this kind of battery and you will know when to charge it. It gets thinner (更瘦的) when it has less electricity. ……

too fast. The battery also pollutes the environment if it is not properly dealt with after... electric bikes can save lots of money and natural resources — that’s killing two birds with one stone ……

Look at this battery. You can charge (充电) it with water, beer, juice, and even saliva (唾液)! ……

A RECENTLY developed battery is believed to be the smallest implant battery in the world. It may... damaged nerves and muscles.The battery measures just 2.9mm in diameter and 13mm in length — about ……

Can you find those winter birds in the puzzle? ……

好玩的可乐电话。THIS cell phone uses a special battery (电池). It makes electricity (电) from cola. This battery can last four times longer than a normal (一般的) one. What a green phone! ……

Scientists from the Massachusetts Institute of Technology, US, have made a tiny battery that is as thin as a human hair. This battery is small enough to power robots that are no bigger than ……

喝水的闹钟THIS clock doesn't need a battery (电池). Just fill it with water and lemon juice (柠檬汁). Then it works. ……

battery (5号电池), flies nonstop across the Atlantic Ocean during its fall migration, reported Live Science.Tiny as they are, the birds “perform one of the most extraordinary migrations in the animal ……

Do birds have ears?鸟儿有耳朵吗？Q: Do birds have ears?A: Yes, all birds have ears. They can hear as well as humans can. However, birds' ears are completely inside their heads. They don't have an outer part ……

This cell phone (手机) uses a special battery1. It makes electricity (电) from cola. This battery can last four times (倍) longer than a normal one. What a green phone! ……

five minutes! The technology is from China. It works best with a special phone battery (电池). The battery can fold (折叠), and can hold 10 percent more power than usual ones. With new technology (技术 ……