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

• 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。
• 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 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。
• 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。
• 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。
• 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。
• Remove the cover and diaphragm. The relief valve piston assembly can be lifted straight up and out.
  拆卸阀盖和隔膜。安全阀活塞总成可以笔直提出到外面来。
• 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。
• 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。
• 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）。