diaphragm

noun

/ˈdaɪəfræm/

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(anatomy) the layer of muscle between the lungs and the stomach, used especially to control breathingTopics Bodyc2
(British English also cap)
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
any thin piece of material used to separate the parts of a machine, etc.
(specialist) a thin disc used to turn electronic signals into sound and sound into electronic signals in phones, loudspeakers, etc.

Word Originlate Middle English: from late Latin diaphragma, from Greek, from dia ‘through, apart’ + phragma ‘a fence’.

单词	diaphragm
释义	diaphragm noun /ˈdaɪəfræm/ /ˈdaɪəfræm/ jump to other results (anatomy) the layer of muscle between the lungs and the stomach, used especially to control breathingTopics Bodyc2 (British English also cap) 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 any thin piece of material used to separate the parts of a machine, etc. (specialist) a thin disc used to turn electronic signals into sound and sound into electronic signals in phones, loudspeakers, etc. Word Originlate Middle English: from late Latin diaphragma, from Greek, from dia ‘through, apart’ + phragma ‘a fence’.
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