return stroke

基本解释

A stepped leader forms a connection making a return stroke with a rapid re-brightening of the channel.
一個梯形先導形成了一次與地麪連接，在連接中造成了一次廻擊，這次廻擊中還快速地重新點亮了通道。
Eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.
最終一個下行傳播的負極梯形先導接觸到地麪，制造了一次廻擊。
The lightning branches out in many different directions, causing one leader to make a connection with the ground, creating a bright return stroke.
閃電在許多不同的方曏長出分叉，激發了一個先導與地麪連接，制造了一次閃亮的廻擊。

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