Ultracapacitors store electricity by physically separating positive and negative charges.
终极电容器通过自然分开的正负电荷存储电能。
This energy is something like positive and negative electrical charges pulsating throughout.
这种能量就像正负电荷一样脉动着流遍全身。
Two negative charges repel each other, and so do two positive charges.
两个负电荷相斥，每个正电荷也是如此。
There are two kinds of electric charges: positive and negative.
电荷有两种：正电荷和负电荷。
There are two kinds of electric charges: positive and negative.
电荷有两种：正电荷和负电荷。
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