Each water molecule has a kind of positively charged end and a negatively charged end.

每个水分子都有一个正电端和一个负电端。

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。

So the bubble ends up with negatively charged electrons separated from positively charged molecules.

因此，气泡最终将负电电子与正电分子分离。

We haven't identified which receptors recognize the anion, or negatively charged ion, in a salt.

我们尚未确定哪些受盐中阴离子或负电离子。

Flowers naturally have a slight negative charge.

花卉微弱负电荷。

Outside the nucleus are electrons which have a negative charge.

原子核外面是负电荷电子。

And partial negative charges where the oxygen is.

和氧所在局部负电荷。

And we feed those positively charged spheres negatively charged electrons by adding formaldehyde to the mix.

同时我们过往混合液里加入甲醛给正电球里提供负电电子。

This is where atoms in our atmosphere break apart into negatively charged electrons and positively charged ions.

这就是大气中原子分裂成负电电子和正电离子地方。

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。

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

我们加沉淀剂是正电荷，而泥土和细菌是负电荷。

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

当人正电荷与雷暴负电荷相互作用时，人头发会竖起来。

It invariably carries an unconscious negative charge.

它总是有一种无意负电荷。

Gradually the negatively charged silica precursors are attracted to the positively charged micelle template.

逐渐地，负电二氧化硅前驱被正电胶束模板吸引。

The basic principle is that negatively charged electrons are attracted to positive electric fields.

基本原理是负电电子会被正电场吸引。

It's made of positively charged sodium ions and negatively charged chlorine ions.

它由正电钠离子和负电氯离子组成。

And so it's going to have what we call a partial negative charge on it.

因此，它将有我们所说部分负电荷。

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

如果我们添加一个大小相等、平行无限负电荷平面会怎样？

Without a velocity, there is no magnetic force acting on this negative electric charge.

没有速度，就没有磁场对这个负电荷作用力。

Electron A subatomic particle with negative charge.

电子：一种负电荷亚原子粒子。