flash
- n. 闪光
- n. 一瞬间
- v. 闪光
- v. 闪现
- Definition
- n. a sudden bright light
- n. a very brief moment
- v. to shine brightly and suddenly
- v. to appear briefly and then vanish
- Example
- A sudden flash of lightning lit up the dark sky.
- 一道突如其来的闪电照亮了黑暗的夜空。
Synonyms & Differences 近义词辨析
Compared meaning: a sudden bright light (noun).
比较义项：突然出现的亮光（名词）。
- flash 本词
Suggests an instantaneous, very brief burst of light, often mechanical or electrical (a camera, lightning, glinting metal); it does not imply fire and disappears almost immediately.
指瞬间即逝、非常短暂的亮光爆发，常见于相机、闪电、金属反光等，不含火焰之意，几乎一出现就消失。
A sudden flash from the camera made the toddler blink in surprise.
相机突然的闪光让那个小孩惊讶地眨了眨眼。
- flare
Suggests a light that flames up or suddenly intensifies, often linked to fire, gas, or an emergency signal, and can burn or glow for a few seconds longer than a flash.
指突然燃起或骤然增强的亮光，常与火焰、气体或求救信号有关，燃烧或发光的时间比 flash 稍长。
A red flare shot into the sky, warning other ships of the danger ahead.
一枚红色信号弹射向天空，警告其他船只前方有危险。
Flash and flare both mean a sudden bright light. Flash is a very brief burst, often from a camera or lightning, with no fire. Flare is a light that flames up or grows stronger, often linked to fire or a signal, lasting longer.
这两个词都可指突然出现的强光，但 flash 强调转瞬即逝、常见于相机或闪电等机械电光源；flare 则强调伴有火焰或气体燃烧、亮度骤增且持续稍久的光，常用于信号弹或火光迸发的场景。flash 还有“突然想到的念头”“新闻快讯”“闪现”等其他不在此比较的意思，flare 也有“（怒气）突然爆发”“喇叭裤”等其他引申义，此处均不涉及。