单词 | diaphragm |
释义 | diaphragmdiaphragm /ˈdaɪəˌfræm/ noun [countable] 1science, biology the muscle between your lungs and your stomach that you use when you breathe2medicine a round rubber object that a woman can put inside her vagina to stop her from getting pregnant3technical a thin round object, especially in a telephone or loudspeaker, that is moved by sound or that moves when it produces sound4technical a round flat part inside a camera that controls the amount of light that enters the camera [Origin: 1300–1400 Late Latin diaphragma, from Greek diaphrassein to make a fence across, block] |
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