One who or that which closes.

关闭者；关闭之物。

A movable solid cover for a window.

活动窗板；百叶窗。

Any of various devices for covering an opening.

盖；塞。

A device for regulating the exposure of a sensitive plate to light.

【摄】快门。

To close or furnish (a window) with shutters.

(常用被动)(在窗上)装以百叶窗或窗板；关上窗板。