词源不确定。来自flash, 雨水倾泻，-ing,集合名词后缀。用来指防雨板。

1. The words "Good Luck" were flashing on the screen.

“祝您好运”几个字出现在屏幕上。

2. His mind kept flashing back to the previous night.

他脑中不断回想起头天晚上发生的事。

3. Some fog warning signs had been put up with flashing yellow lights.

一些配有黄色闪光灯的大雾警示标志立了起来。

4. She woke to find her dark room lit by flashing lights.

她醒来时发现黑暗的屋子被闪烁的灯光照亮。

5. police cars with lights flashing and sirens blaring

警灯闪烁、警笛刺耳的警车