音标：[flæʃ]
n. 闪光, 闪现, 一瞬间
vi. 闪光, 闪现, 反射
vt. 使闪光, 反射
【化】 闪光; 闪烁; (模塑过程中的)溢料; 飞翅; 飞边; 毛刺
【医】 闪光; 铸模溢出物
相关词组:
flash back to...
in a flash
英汉词典
flash的短语、例句：
flash
n
1 [C]
(a) sudden bright burst of light or flame 闪光; 闪烁
a flash of lightning 一道闪电.
(b) (fig 比喻) sudden show of wit, understanding, etc （机智等的）显露; 恍然大悟
a flash of inspiration, intuition, etc 灵机一动、 直觉的感触.
2 [C] = news flash (news).
3 [C, U] device or system that produces a brief bright light for taking photographs indoors or in poor light 闪光灯
This camera has a built-in flash. 这架照相机有内置闪光灯.
I´ll need flash for this shot; the light isn´t good enough. 我拍这张照片需用闪光灯, 这里光线不好.
4 [C] coloured stripe or patch of cloth worn as an emblem on a military uniform, eg on the shoulder （佩於军服上的）徽章（如肩章）.
5 [C usu sing 通常作单数]
(infml 口) brief showing of the sexual organs, esp by men; indecent exposure 瞬间展露性器官（尤指男子）; 猥亵性暴露.
6 [attrib 作定语]
(infml derog 口, 贬) expensive-looking, showy and usu not in good taste 花哨的; 炫耀的
a flash sports car 花里胡哨的跑车.
7 (idm 习语) a ,flash in the `pan sudden brilliant success that lasts only a short time and is not repeated 昙花一现
His first novel was a flash in the pan, and he hasn´t written anything decent since. 他的第一部小说如昙花一现, 此後他再没写出像样的东西. in a/like a `flash very quickly; at once; immediately 很快; 立刻; 立即
I´ll be back in a flash. 我马上就回来. quick as a flash => quick.
flash v
1
(a) [I] give or send out a brief bright light 发出闪光
Lightning flashed during the storm. 暴风雨中闪电大作.
A lighthouse was flashing in the distance. 灯塔在远处发出闪烁的光.
(fig 比喻) His eyes flashed angrily. 他的眼睛怒火闪闪.
(b) [Tn, Tn.pr]
cause (sth) to shine briefly or suddenly 使（某物）短暂地或突然地发光
flash a torch in sb´s eyes/at sb 用手电筒照某人的眼睛[照某人].
2 [Tn, Tn.pr]
(a) communicate with a light 用光联络
flash a signal (to sb) with one´s car headlights 用汽车前灯（给某人）发信号.
(b) send or reflect (sth) like a flash 如闪光般发出或反映出（某物）
Her eyes flashed anger and defiance (at everyone). 她（看著大家,）眼中闪现著愤怒与轻蔑的神情.
3 [Tn] send (sth) by radio, television, etc （通过无线电、 电视等）传送（某事物）
flash a message on the screen 在屏幕上映出一信息.
4 [Tn, Tn.p] show or display (sth) briefly 短暂地显示或出示（某事物）
flash an identification card 出示一下身分证
(derog 贬) He´s flashing his money around, ie to try to gain the admiration of others. 他到处显示自己有钱.
5 [I] (infml 口) (esp of a man) show one´s sexual organs briefly and indecently （尤指男子）猥亵性瞬间展露性器官.
6 (phr v) flash along, by, past, through, etc move very quickly in the specified direction 急速向某方向运动
The train flashed by at high speed. 火车疾驶而过.
(fig 比喻) An idea flashed into her mind. 她突然闪出一个念头. flash back (of one´s thoughts) return to an earlier time （指某人的思想）回溯, 回顾, 回忆
My mind flashed back to our previous meeting. 我又想起了我们上次会面时的情景.
flash