人生重要的不是所站的位置,而是所朝的方向。
The important line in life is not the position which stands, but the direction which faces.
汤姆朝家的方向去了。
她含糊地朝房子的方向挥了挥手。
The way to read this diagram is it's as if it were my brain and I am facing this way.
查看这张示意图的方法是,设想这是我的大脑,面朝这个方向
So, if instead you put your particle somewhere down here on the electric field, or on the wave, the electric field will now be in the other direction so your particle will be pushed the other way.
还有方向,所以如果,你把粒子放在这下面,电场的方向相反,粒子会朝另一个方向运动。
Because once things started moving, it tends to move in that direction.
因为一旦事物开始改变,他们就会有朝这个方向运动的倾向。
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