diaphragm

英 [ˈdaɪəfræm]

美 [ˈdaɪəfræm]

n.  膈; 膈膜; 横膈膜; 子宫帽(避孕用具); (机器等的)隔膜，隔板

复数：diaphragms　

化学

Collins.1 / BNC.15737 / COCA.14283

牛津词典

noun

• 膈；膈膜；横膈膜
  the layer of muscle between the lungs and the stomach, used especially to control breathing
• 子宫帽（避孕用具）
  a rubber or plastic device that a woman places inside her vagina before having sex to prevent sperm from entering the womb and making her pregnant
• （机器等的）隔膜，隔板
  any thin piece of material used to separate the parts of a machine, etc.
• （电话机、扬声器等的）膜片，膜件，振动膜
  a thin disc used to turn electronic signals into sound and sound into electronic signals in telephones, loudspeakers , etc.

柯林斯词典

• 膈;膈膜
  Yourdiaphragmis a muscle between your lungs and your stomach. It is used when you breathe.
• (女性避孕用)子宫帽
  Adiaphragmis a circular rubber contraceptive device that a woman places inside her vagina.

英英释义

noun

• a mechanical device in a camera that controls size of aperture of the lens
  1. the new cameras adjust the diaphragm automatically
  Synonym:stop
• electro-acoustic transducer that vibrates to receive or produce sound waves
• a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic
  Synonym:pessarycontraceptive diaphragm
• (anatomy) a muscular partition separating the abdominal and thoracic cavities
  Synonym:midriff

双语例句

• All Grado headphones have a vented diaphragm design that incorporates a large air chamber.
  所有歌德耳机有一个发泄隔膜设计，采用了大型气室。
• Remove the relief valve cover, stem/ diaphragm assembly, and relief valve spring.
  拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
• Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal.
  水供应与空气进口的分离通过隔膜密封的方法实现。
• Reciprocating plunger seals have been substitute by mechanically or hydraulically actuated diaphragms in diaphragm pumps.
  永久式水力坐封封隔器往复活塞密封被机械密封和液力隔膜泵所替代。
• In modern cameras, this is analogous to the diaphragm.
  在现在的照相机中，这类似于光圈。
• The problems in current increase of diaphragm electrolyzer and the countermeasures were introduced.
  介绍了在隔膜电解槽电流提升过程中所遇到的问题及采取的解决方法和措施。
• Lift pressure plate ( 7) to withdraw diaphragm and stem from valve.
  提升压力板（7），从阀门内退出隔膜和阀杆。
• An expansion tank has a chamber in which air is locked inside a bladder or diaphragm.
  一个膨胀水箱，空气中有一个是膀胱或隔膜内锁定室。
• This equipment is for general assembly of clutch pressure plate assembly and calibration of diaphragm finger.
  本设备用于汽车离合器压盘总成的总装和膜片分离指的校正；
• Nerve centres in the Brain regulate the movements of muscles of respiration ( diaphragm and chest wall muscles).
  脑中的神经中枢控制呼吸肌肉的运动（膈和胸壁肌肉）。