The pairs of electrons are all negatively charged.

每对电子都带负电荷。

The bacteria carry a net negative charge on their surfaces.

细菌表带有负电荷。

Flowers naturally have a slight negative charge.

花卉通常带微弱负电荷。

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

事实上，正负电荷正是他命名。

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.

原子核外是带负电荷电子。

Electrons orbiting the nucleus have a negative charge.

围绕原子核运行电子带负电荷。

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

强酸比弱酸更容易带负电荷。

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

质子带正电荷，电子带负电荷，中子则是中性。

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，云内就会产生巨大闪光。

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

电子带负电荷，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，它将阻止电子流动。

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

每当电子供应过剩时，物体就会产生负电荷。

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

电子绕着原子核旋转，它们负电荷会被质子正电荷所吸引。

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发明和人们对正负电荷了解。

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

带有负电荷电子 和带有正电荷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.

我们加沉淀剂是带正电荷，而泥土和细菌是带负电荷。

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。

Because negative, like charges repel each other.

因为负电荷会互相排斥。

It invariably carries an unconscious negative charge.

它总是带有种无意识负电荷。