flash

a flash in the pan

昙花一现

a flash of hope

一线希望,一闪而过的希望

a flash of wit

灵机一动

Abel flash point

[机] 阿贝尔闪点

Abel flash-point apparatusn

[机] 艾贝尔闪点试验器

Abel-Pensky flash point test

[化] 阿贝耳-彭斯基闪点试验

acetylene flasher

[机] 乙炔闪光器

alternating flashing light

[机] 互闪光

anti-flash gear

[医] 防闪灼衣(海军炮手)

arc flash welding

[化] 电弧闪光焊

arc-flash conjunctivitis

[医] 电光性结膜炎

arc-welders' eye-flash

[医] 电焊者红眼(电光性眼炎)

arcing flashover

[电] 弧络

as quick as a flash

快如闪电,风驰电掣;立刻,立即

atmospheric flash tower

[机] 常压闪蒸塔

autoflash

自(动)闪光

back flash

[机] 反闪

backflash

[机] 回闪

close cup flash point

[建] 闭环闪点试验

closed flash point

[建] 封闭闪点