An electric current is the movement of an electric charge that carries electrons.

电流是携带电子的电荷的运动。

At the center of an atom is its nucleus which has a positive electric charge.

原子的中心是它的原子，它带有正电荷。

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。

The machine gives the molecules on the swab an electric charge, turning them into ions.

ETD会给棉签上的微粒带上电荷，使它们变成离子。

Neutrons have no repelling electric charge so they're easily captured by the iron group elements.

中形成中子中子不带电荷。

Now as rain soaked the kite and line, strands of hemp stood erect with electric charge.

雨水浸湿了风筝绳索，一缕缕线因为带电而直立。

LADEE also will collect data about lunar dust, such as its electric charge, density and mass.

LADEE还收集有关月尘的信息，比如其电荷、密量。

Any electron is a point with a certain electric charge and a certain mass.

任何电子都只是空间中有特定电荷量特定质量的点。

Harry felt a kind of electric charge surge through every particle of his body - they were saved.

哈利感到一股电流涌过全身--　他们得救了。

But, what's important now is the fact that a moving electric charge generates a magnetic field.

但要的是，每个移动的带电电子都会产生一个磁场。

Back in 1928, the British physicist Paul Dirac suspected the presence of anti particles with an opposite electric charge.

早1928年，英国物理学家保罗·狄拉克就怀疑存电荷相反的反粒子。

Some of this force is also supplied by neutrons, which outnumber protons in most nuclei and have no electric charge.

强力的一部分也由中子提供，大多数原子内，中子比质子数量多，并且不带电荷。

Opposite electric charges are attracted to one another, and similar electric charges are repelled.

相反的电荷相互吸引，相似的电荷相互排斥。

Those electrodes store an electric charge.

这些电极存储电荷。

Static electricity is produced when two materials rub together and exchange electric charges.

当两种材料相互摩擦并交换电荷时， 就会产生静电。

SEWING NEEDLES TRANSFER THE ELECTRIC CHARGE FROM THE GLOBE TO THE LEYDEN JARS.

缝纫针将电荷从地球仪转移到莱顿瓶中。

This causes the PTFE and copper to exchange electric charges, producing a current.

这会导致 PTFE 铜交换电荷， 从而产生电流。

It uses electric charge to store energy, which is then discharged into the patient’s body.

它利用电荷储存能量， 然后释放到患者体内。

The water molecules then surround the individual ions and shield them from each other's electric charges.

然后水分子包围单个离子并保护它们免受彼此的电荷影响。

The falling air and water rubs against the rising air and water, which creates electric charges.

下落的空气水与上升的空气水发生摩擦，从而产生电荷。