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

• 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。
• 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。
• Loosen and remove the diaphragm lock nut and lock washer, pressure plate and diaphragm from the valve stem.
  松开和拆卸隔膜锁紧螺母和锁紧垫圈，从阀杆上往下压阀盘和隔膜。
• 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。
• 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。
• 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。
• 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 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。
• 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。
• The diaphragm vibrates, thus setting the air around it in motion.
  膜片振动，这使得周围的空气也动荡起来。