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

• In modern cameras, this is analogous to the diaphragm.
  在现在的照相机中，这类似于光圈。
• 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。
• They come with a fixed piston and no longer use a diaphragm as with the previous shocks.
  他们来与一个固定的活塞和不再使用膜片与过往的冲击。
• Because my diaphragm was destroyed.
  因为我的横隔膜坏了。
• 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。
• 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。
• Relative to the developed countries, China's pneumatic diaphragm valve valve industry is still lag behind.
  相对发达国家而言，我国气动隔膜阀阀门行业还比较落后。
• 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。
• This releases gas into the low-pressure chamber, exerting an opposing force on the diaphragm.
  这就把气体放进了低压腔，对隔膜施加了一个反方向的力。