首页diaphragmdiaphragm英英释意

diaphragm

英 ['daɪəfræm] 美['daɪə'fræm]
  • n. 隔膜;快门,[摄] 光圈;横隔膜;隔板

英英释意


1. a mechanical device in a camera that controls size of aperture of the lens;
"the new cameras adjust the diaphragm automatically"
2. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
3. a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
4. electro-acoustic transducer that vibrates to receive or produce sound waves