flash的意思是闪光。
例句：
1、A sudden flash of lightning lit everything up for a second.
突然一个闪电瞬间照亮了一切。
2、The figures flash up on the scoreboard.
数字显示在记分牌上。
3、They had told their offices to flash the news as soon as it broke.
他们已经告诉各办公室，一有消息立即发布。
4、He was one of the first people to use high speed flash in bird photography.
他是最先使用高速闪光灯拍摄鸟类的人之一。
5、Stopping to rest, Pete shut off the flash.
皮特关掉手电筒，停下来休息。
