return stroke

基本解释

A stepped leader forms a connection making a return stroke with a rapid re-brightening of the channel.
一个梯形先导形成了一次与地面连接，在连接中造成了一次回击，这次回击中还快速地重新点亮了通道。
Eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.
最终一个下行传播的负极梯形先导接触到地面，制造了一次回击。
The lightning branches out in many different directions, causing one leader to make a connection with the ground, creating a bright return stroke.
闪电在许多不同的方向长出分叉，激发了一个先导与地面连接，制造了一次闪亮的回击。

Could he return us to gold with the stroke of a pen?
FORBES: Steve Forbes Predicts a Return to the Gold Standard Within Five Years