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

• 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。
• 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。
• The quadratic aperture of the cat's-eye diaphragm is imaged too large.
  猫眼光栏的方形光孔成像太大。
• 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。
• 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。
• Because my diaphragm was destroyed.
  因为我的横隔膜坏了。
• 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。
• 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）。
• 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。
• The diaphragm is covered with a special TAD-developed damping agent to reduce cone breakup and distortion.
  膜片上覆盖着一个特殊的泰特开发的阻尼剂，以减少圆锥破碎和变形。