shutter

• 相机镜头中控制光线进入的装置；也指用于遮挡窗户的移动板。

A noun referring to a device that opens and closes to control the amount of light entering a camera lens, or a movable panel used to cover a window.

1. Window coveringB1formal

   A movable cover or screen for a window, used to block light or provide privacy.

   百叶窗

   • She closed the wooden shutters to keep out the sun.
   • The old house had green shutters on every window.
   • He opened the shutters to let in the morning light.

   同义词blindcurtaindrapejalousieroller blindscreenshadevenetian blind

2. Camera partB2formal

   A device in a camera that opens and closes to control the amount of light reaching the film or sensor.

   快门

   • The camera's shutter speed can be adjusted for action shots.
   • He pressed the button and heard the shutter click.
   • A fast shutter is essential for capturing moving subjects.

• 动词，指用百叶窗或窗板关闭、遮盖，也指停止营业或永久关闭。

A verb used to indicate the act of closing or covering with shutters, or to cease operations temporarily or permanently.

1. Close with shuttersB2formal

   To close or cover a window with shutters.

   用百叶窗关上

   • She shuttered the windows before the storm arrived.
   • The old house was shuttered and abandoned.
   • He shuttered the shop for the night.

   同义词closecoverscreenshade

2. B2informalamerican

   To close a business or operation permanently or temporarily.

   关闭

   • The restaurant shuttered its doors after 20 years.
   • Many small businesses shuttered during the recession.
   • They shuttered the factory due to declining sales.

   同义词closeclose downdiscontinuefoldshutshut downwind up

   反义词openoperate