Noun:

1. a mechanical device in a camera that controls size of aperture of the lens;

   "the new cameras adjust the diaphragm automatically"
   

2. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

3. a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix

4. electro-acoustic transducer that vibrates to receive or produce sound waves

contraceptive diaphragmn.阴道隔膜；子宫帽

pessaryn.子宫压定器；子宫套

stopv.停止；阻止；停留n.停止；逗留；车站

midriffn.[解]膈；腹部；露腰上衣

1. The diaphragm is between the chest and the abdomen.
   横隔膜位于胸腔与腹部之间。
2. Because my diaphragm was destroyed.
   因为我的横隔膜坏了。