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

• Underground diaphragm wall had been great used in enclosure structure of subway and deep foundation.
  因此，作为深基坑的围护结构，地下连续墙的施工技术已经越来越得到了重视和广泛应用。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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）。