Flowers naturally have a slight negative charge.

花卉通常带微弱的负电荷。

The bacteria carry a net negative charge on their surfaces.

细菌的表面带有一个负电荷。

Outside the nucleus are electrons which have a negative charge.

原子核外面是带负电荷的电子。

Electrons orbiting the nucleus have a negative charge.

围绕原子核运行的电子带负电荷。

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。

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，中子则是中性的。

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

电子绕着原子核旋转，它们的负电荷会被质子的正电荷所吸引。

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，云内就会产生巨大的闪光。

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。

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。

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)表面扩散，而且没有缺陷。

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。

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

我们加的沉淀剂是带正电荷的，而泥土和细菌是带负电荷的。

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。

It invariably carries an unconscious negative charge.

它总是带有一种无意识的负电荷。

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

该先导带负电荷，以一系列步骤蜿蜒向下。

When the positive charge of your body interacts with the negative charge of the storm, it makes your hair stand up.

当人体的正电荷与雷暴的负电荷相互作用时，人的头发会竖起来。

What if we add an equal magnitude, parallel, infinite plane of negative  charges?

如果我们添加一个等量、平行、无限的负电荷平面会怎样？

Since chloride has a negative charge, it makes the inside of a cell more negative, and that inhibits an action potential.

由于氯离子带负电，这可导致细胞内负电荷积聚，来抑制动作电位。