The pairs of electrons are all negatively charged.

每对电负电荷。

The bacteria carry a net negative charge on their surfaces.

细菌的表有一个负电荷。

Flowers naturally have a slight negative charge.

花卉通常微弱的负电荷。

He, in fact, invented the designation of positive and negative charge.

事实上，正负电荷正是他命名的。

The fundamental charges are a positive charge and a negative charge.

基本电荷是正电荷和负电荷。

Outside the nucleus are electrons which have a negative charge.

原核外是负电荷的电。

Electrons orbiting the nucleus have a negative charge.

围绕原核运行的电负电荷。

And stronger acids become negatively charged more easily than weak acids.

强酸比弱酸更容易负电荷。

Protons have a positive electric charge, electrons a negative charge, and neutrons are neutral.

质正电荷，电负电荷，中则是中性的。

Well, when positive and negative charges grow large enough, a giant spark occurs in the cloud.

当正负电荷积累得够多，云内生巨大的闪光。

You may know that like charges repel: electrons have a negative charge and repel each other.

电负电荷，彼此相斥。

But if the control electrode was given a negative charge, it would prevent the flow of electrons.

但如果向控制电极施加负电荷，它将阻止电流动。

Whenever there's an oversupply of electrons an object develops an overall negative charge.

每当电供应过剩时，物体生负电荷。

Electrons whiz around the nucleus, their negative charge attracted by the protons' positive charge.

电绕着原核旋转，它们的负电荷被质的正电荷所吸引。

However, it did lead to the invention of the lightning rod and the understanding of positive and negative charges.

但是，它确实促成了避雷针的发明和人们对正负电荷的了解。

The negatively charged electron and location of the positively charged hole are now free to move around.

有负电荷的电 和有正电荷的空隙现在可以自由移动了。

We add those coagulant and it’s positively charged while most of the dirt and bacteria are the negative charge.

我们加的沉淀剂是正电荷的，而泥土和细菌是负电荷的。

Besides being attracted to negative charges, platelet membranes also spread easily and defect-free over " superhydrophilic" (exceptionally water-loving) surfaces.

除了被负电荷吸引外，血小板膜也很容易在“超亲水”(特别是亲水)表扩散，而且没有缺陷。

It invariably carries an unconscious negative charge.

它总是有一种无意识的负电荷。

This leader, carrying a negative charge, zigzags downward in a series of steps.

该先导负电荷，以一系列步骤蜿蜒向下。