这是一个负电荷，这是一个正电荷。
This is a point that's negative, and this is the point that's positive.
正电荷在这儿，负电荷在周围。
You've got a positive charge here with a negative charge around it.
分子的负电荷，中心在哪？
Where is the center of net negative charge in this molecule?
负电荷在运动，它们处在一个环形的轨道中。
You've got negative charge in motion, and it's in a circular orbit.
中子既不带正电荷，也不带负电荷。
每一个电子都带有一个负电荷。
质子带正电荷，电子带负电荷。
A proton has positive charge and an electron has negative charge.
电荷有两种：正电荷和负电荷。
There are two kinds of electric charges: positive and negative.
大家都知道，电子是微小的负电荷。
Electrons are known to be minute negative charges of electricity.
负离子是一种带负电荷的空气离子。
The anion is one kind of air ion with negative electric charge.
大家知道，电子是极微小的负电荷。
Electrons are known to be minute negative charges of electricity.
电子带有负电荷，质子带有正电荷。
电子带负电荷，质子带正电荷。
An electron has a negative charge, a proton has a positive charge.
氢氧根离子有一个负电荷。
氢氧根离子有一个负电荷。
两个负电荷相斥，每个正电荷也是如此。
Two negative charges repel each other, and so do two positive charges.
这种能量就像正负电荷一样脉动着流遍全身。
This energy is something like positive and negative electrical charges pulsating throughout.
剩下的负电荷被分散或离域遍及到三个原子。
The remaining negative charge can be spread out or delocalize over three atoms.
有替代药物的研究，指出疼痛发出一个负电荷。
There are studies in alternative medicine that says that pain emits a negative charge.
终极电容器通过自然分开的正负电荷存储电能。
Ultracapacitors store electricity by physically separating positive and negative charges.
这是一个带正电荷球状的乳蛋糕，里面有一些小的负电荷的小块。
So, this is a positive sphere of custard, and inside are little, negative bits.
电流中可能包含正电荷、负电荷，或两种电荷同时存在。
An electric current can consist of charges that are positive, negative, or both.
有这个负号的原因是，我们得到一个电子后增加了一个单位负电荷。
We have the minus because we're adding a negative charge from the electron.
正如每个负电荷都有其对应的正电荷一样，每个黑暗面都有其对应的光明面。
Just as there is a positive charge for every negative charge, there is a light side to every dark side.
正如每个负电荷都有其对应的正电荷一样，每个黑暗面都有其对应的光明面。
Just as there is a positive charge for every negative charge, there is a light side to every dark side.
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