Any thin sheet or film that separates or divides.

薄的隔板。

The muscular partition which divides the chest from the abdomen.

【解】横隔膜。

The vibrating disk, as in a telephone.

(电话等的)振动膜。

In a camera, optical instrument, etc. a perforated device for regulating the admission of light.

(照相机或光学仪器的)光圈。