flash

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【释义】：

n．❶ 闪光，一闪，一亮：a flash of lightning闪电的一现．a flash in the pan昙花一现，短暂无效的努力．❷ 一瞬间：a flash of hope一瞬即逝的希望．in a flash 立即，马上．❸ (灯光、信号旗等)闪动．❹ 闪光物，闪现物，闪光灯．❺ 决泻的水；堰闸．❻ 简明新闻电讯．❼ 军服上标志师、旅等的符号．

－vi．❶ 发闪光，闪亮：A lighthouse was flashing in the distance．灯塔在远处闪光．❷ (景象、念头等)闪现，掠过：Time flashed by．时间飞逝．A jet-plane flashed across the sky．喷气式飞机掠过天空．An idea flashed into his mind．他突然起了一个念头．It flashed upon me that我忽然想起…．

－vt．❶ 闪发出，迅速传布：flash a signal(用灯光)发出信号．The news was flashed around the world by radio．这消息很快就由无线电传遍全世界．❷ 发闪光，反射：Her eyes flashed defiance．她眼中露出反抗的神色．The boy flashed spots of light on the ceiling with a mirror．孩子用镜子向天花板反射光线．❸ 幌动：flash one’s pass幌一幌通行证．