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

• 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。
• In the running to adjust the hydraulic pump and the diaphragm to the right end position.
  在泵运行过程中调整液力端和隔膜至合适的位置。
• Diaphragm: Dome-shaped muscular and membranous structure Between the thoracic and abdominal cavities.
  膈：哺乳动物体内分隔胸腔和腹腔的由肌肉和膜组成的穹窿形结构。
• The high ratio of diaphragm to orifice provides excellent performance and stability at low reduced pressure.
  在低减压情况下，隔膜到节流孔的高控制比具有卓越的性能和稳定性。
• A micromachined condenser microphone with a free floating sensing diaphragm and a perforated thick copper backplate is presented.
  提出了一种具有自由悬浮敏感膜和带孔铜底板的硅微机械电容式麦克风。
• Capacitor with one plate fixed and the other forming the diaphragm moved by sound waves.
  带有一个固定金属板和一个能够由光波移动形成的控光装置的电容器。
• 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。
• 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。
• The KM-3 is a small diaphragm end address condenser microphone.
  知识管理-3是一个小振膜电容式麦克风结束地址。
• Remove the piston and spring from the relief valve housing and thoroughly clean all parts including the diaphragm.
  从安全阀外壳上拆卸活塞和弹簧，彻底清洗包括隔膜的所有部件。