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BNC: 15737 COCA: 14283

diaphragm noun [ C ] MUSCLE

the muscle that separates the chest from the lower part of the body膈,膈膜

diaphragm noun [ C ] BIRTH CONTROL

a circular rubber device that a woman puts inside her vagina before having sex, to avoid becoming pregnant避孕隔膜,子宫帽

diaphragm noun [ C ] COVER

specialized engineering any thin piece of material stretched across an opening隔膜;膜片

BNC: 15737 COCA: 14283
BNC: 15737 COCA: 14283

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