1. | 膈；膈膜；横膈膜the layer of muscle between the lungs and the stomach, used especially to control breathing |
2. | 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 |
3. | （机器等的）隔膜，隔板any thin piece of material used to separate the parts of a machine, etc. |
4. | （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. |
