in battery

基本解釋

China is already thought to have a lead in battery development and electric vehicles.
業(yè)界認為中國已經(jīng)在蓄電池和電動車領域處于領先地位。
Runs on a built-in battery - an electrical impulse within the heart initiates each contraction.
由“內(nèi)置電池”供能 —— 心臟內(nèi)部的電脈沖信號能激活每一次肌肉收縮。
Interestingly enough, improvements in battery management technology have compounded the average user’s perception of this problem.
有意思的是，電池管理技術的改進也加深了普通用戶在這個問題上的認識。

They are connected under the skin to another wire that leads to a small battery placed in the chest.
see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.
我從來沒有用過這個,但你會看到有人帶他們,它們可以作為消噪音耳機,它們所做的就是采入,周圍的隨機噪聲，耳機里面是，有電池的，然后它能產(chǎn)生和,隨機噪聲相干相消的聲波。
麻省理工公開課 - 化學原理課程節(jié)選
Because whenever I tell this story now, people start saying, " "Oh, well the evil machines are busy using your body as a battery" or whatever it was in the movie, right?
因為現(xiàn)在我一講這個故事，人們就會說，“邪惡的機器忙著把你的身體當電池“,不管電影是怎樣刻畫的了？
耶魯公開課 - 死亡課程節(jié)選

With a built-in battery that lasts for approximately eight hours you can enjoy your music anywhere.
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