flash

出处：按学科分类—语言、文字 辽宁人民出版社《英汉辞典》第486页（713字）

【释义】：

n．①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．②一瞬间：a flash of hope一瞬即逝的希望．in a flash 立即，马上．③(灯光、信号旗等)闪动．④闪光物，闪现物，闪光灯．⑤决泻的水；堰闸．⑥简明新闻电讯．⑦军服上标志师、旅等的符号．

－vi．①发闪光，闪亮：A lighthouse was flashing in the distance．灯塔在远处闪光．②(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．①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．②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．③幌动：flash one’s pass幌一幌通行证．