shutter

1. N-COUNT Shutters are wooden or metal covers fitted on the outside of a window. They can be opened to let in the light, or closed to keep out the sun or the cold. 百葉窗

She opened the shutters and gazed out over village roofs. 她打開了百葉窗，朝村里的房頂望去。

2. N-COUNT The shutter in a camera is the part which opens to allow light through the lens when a photograph is taken. (照相機(jī)的) 快門

There are a few things you should check before pressing the shutter release. 在按快門之前，有幾件事情你應(yīng)該檢查。