a dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.
(哺乳动物体内分隔胸腔和腹腔的)隔膜。
a thin sheet of material forming a partition
分隔薄膜。
a taut flexible membrane in mechanical or acoustic systems
(机械或音响系统中的)膜片。
a thin contraceptive cap fitting over the cervix
(避孕用的)子宫帽。
a device for varying the effective aperture of the lens in a camera or other optical system
(摄影机或其他光学系统的)光圈调节器。
"late Middle English: from late Latin