change-over shutter 转换快门
Grandmother, look at the shutter over there.
奶奶,看那边的百叶门。
If only I'd been there I could have pressed the shutter, says that impossibly over-confident voice in your head.
如果我当时在那儿,我也会摁下快门,这是你大脑里确实会冒出的过分自信的声音。
By having a camera's shutter open for extended periods of time, often well over a minute, trails of light can be drawn with LEDs, flashlights, or even sparklers.
凭借让照相机快门打开时间延长,通常超过1分钟,就能使用发光二极管、闪光灯,乃至闪光物体绘出光线踪迹。
应用推荐