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BNC: 15737 COCA: 14283

diaphragm

1 ENTRIES FOUND:
diaphragm /ˈdajəˌfræm/ noun
plural diaphragms
diaphragm
/ˈdajəˌfræm/
noun
plural diaphragms
Learner's definition of DIAPHRAGM
[count]
medical : a large flat muscle that separates the lungs from the stomach area and that is used in breathing膈,膈膜,横膈膜(分隔胸腔和腹腔的肌肉) see picture at human
technical : a device that controls the amount of light passing through the lens of a camera(照相机的)光圈
: a device shaped like a cup that is placed in the vagina to prevent pregnancy(避孕用的)子宫帽
called also (British) cap
technical : a thin disk that is used in microphones, telephones, speakers, etc., to help reproduce sound or make sounds louder(麦克风、电话、扬声器等的)膜片,膜件,振动膜

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