电池使用前必须充电。
有些型号的电池在接入直流电源时就能充电。
Some kinds of batteries can be recharged by connecting them to a source of direct current.
据说，“飞轮”电池每充电一次可驱动一辆电动汽车行驶600英里。
The "flywheel" battery, it is said, could power an electric car for 600 miles on a single charge.
亚历克斯忘了给电池充电。
该充电器可在约25分钟内完成给电池充电。
手册里没写它要每天开，给电池充电。
There was nothing in the brochure about having to drive it every day to charge up the battery.
诚然，在夜间充电完全取代每周去加油站之前，电池还有很长的路要走。
To be sure, the battery still has a long way to go before the nightly recharge completely replaces the weekly trip to the gas station.
激光瞄准安装在鹈鹕下面的光伏电池，给直升机的电池充电，使它在空中飞行了12小时27分钟。
The laser at photovoltaic cells mounted on the pelican's underside, charged the chopper's battery, keeping it aloft for 12 hours and 27 minutes.
衣服用毛巾卷起，塞进挂篮里；没问题。车前灯电池还在充电中；没问题。
Clothes rolled up in the towel and stowed in the panniers; check. The headlight battery pack on the charger; check.
当你给电池充电时，电池里的液体会发生离子运动。
When you charge the battery, ions will flow through the liquid.
为了增加电动汽车使用量，德国还采取了其他措施，包括在全国建立一百多万个混合动力汽车电池充电站。
Other efforts to increase the use of electric vehicles include plans to build over 1 million hybrid and electric car battery charging stations across the country.
太阳能电池树充电器也比普通的家庭灌木需要更少的维护。
The Solar Cell Tree Charger takes a lot less upkeep than average household shrub.
他们上课的时候电池正在充电。
问题是汽车的电池需要充电。
正如它的名字所示，太阳能奶牛可以为名为太阳能”的电池（给电池充电）充电。
Just as its name suggests, the Solar Cow can charge batteries called "Solar Milks".
它可以手动充电，也可以连接到太阳能电池板充电。
It can be hand charged and also can be recharged by connecting to a solar panel.
这就是它们的电池需要再次充电之前能走的距离。
This is how far they can travel before their batteries need another charge (充电) .
另一个问题是找地方给电池充电。
Another problem is finding a place to recharge the batteries.
现在，他可以在家里用我从学校带回去的电池给手机充电。
Now, he can use the battery I bring from school to charge his phone at home.
这些电池只能用太阳能奶牛充电，所以孩子们必须去学校获取电力。
The batteries can only be charged using the Solar Cow, so children have to go to school to get the electricity.
每块充满电的太阳能牛奶电池可以给手机充电三到四次，或者给收音机充电一到两次。
Each fully-charged Solar Milk battery can charge a mobile phone three or four times, or a radio once or twice.
你需要充电，就像电池一样。
充电电池与可编程的太阳能电池相结合。
Rechargeable batteries can mash up with programmable solar cells.
电池会增加重量，而且需要充电。
鲍尔博士还在研究如何为这种可伸缩电池充电。
Dr Bauer is also working on a stretchable battery that is rechargeable.
充电电池就是个完美的例子。
电池体积大而且充电缓慢。
电池充电时，能量从阴极移至阳极。
When a battery charges, energy moves between its cathode and anode.
这一过程产生的电流可用于为电池充电。
This generates electrical current that can then be used to charge a battery.
有很好的电池,可以充电的。
There are batteries which are very fancy which can be charged.
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