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

• 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 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 piston and spring from the relief valve housing and thoroughly clean all parts including the diaphragm.
  从安全阀外壳上拆卸活塞和弹簧，彻底清洗包括隔膜的所有部件。
• 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。
• 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。
• 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。
• 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。
• In modern cameras, this is analogous to the diaphragm.
  在现在的照相机中，这类似于光圈。
• Pneumatic diaphragm pumps and flow through the particles adjustable, pipe plug to open automatically when to stop.
  气动隔膜泵可通过颗粒且流量可调，管道堵塞时自动停止至通畅。