shutter是什么意思？

n.[C]
1. 关闭者;关闭物
2. 百叶窗;活动遮板[P]
They put wooden shutters on all the windows.
他们在所有窗户上都安装了百叶窗。
3. (相机的)快门;(摄影机的)遮光器
He pressed the shutter when she smiled.
她微笑时,他按下快门。
4. (风琴等的)开闭器
vt.
1. 为...装百叶窗(或快门等)
We had all the windows shuttered before we left.
我们离开前把所有窗户的百叶窗都关上了。
2. 关上...的百叶窗(或快门等)[H]
3. 关(店);停止(营业)[H]
All the stores on the street were shuttered at midnight.
午夜街上所有的商店都关门了。

快门

http://www.baidu.com/s?lm=0&si=&rn=10&ie=gb2312&ct=1048576&wd=shutter&tn=baidu