
好词典

源自中古英语 'flaschen',可能与古英语 'flǣsc'(肉)有关,后引申为'发光'或'快速显现'的意思。
❶ 指突然发出短暂而强烈的光,常用于描述闪电、灯光或反射光的瞬间显现。
“The lightning flashed across the dark sky.”
(闪电划过黑暗的天空。)
“The lighthouse flashed its beam every few seconds.”
(灯塔每隔几秒就会闪一次光。)
❶ 指快速展示或显露某物,通常时间很短,可能带有突然或意外的意味。
“He flashed his ID card at the security guard.”
(他向保安快速出示了身份证。)
“She flashed a smile at the audience.”
(她向观众露出了一个微笑。)
flash by — 形容某事物快速经过或时间飞逝,强调速度快且短暂。
“The summer vacation flashed by before we knew it.”
(暑假转眼间就过去了。)
flash back — 指突然回忆起过去的场景或事件,常用于描述记忆的突然涌现。
“The smell of cookies flashed her back to her childhood.”
(饼干的香味让她突然想起了童年。)