diaphragm
US /ˈdaɪ.ə.fræm/
UK /ˈdaɪ.ə.fræm/
名詞
1.
橫膈膜
a dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.
範例:
•
The doctor explained how the diaphragm helps us breathe.
醫生解釋了橫膈膜如何幫助我們呼吸。
•
A strong cough involves the rapid contraction of the diaphragm.
劇烈咳嗽涉及橫膈膜的快速收縮。
同義詞:
2.
振膜, 光圈
a thin disc or membrane, especially one that vibrates to produce or transmit sound or to regulate the flow of a fluid.
範例:
•
The microphone uses a sensitive diaphragm to capture sound waves.
麥克風使用敏感的振膜來捕捉聲波。
•
The camera's diaphragm controls the amount of light entering the lens.
相機的光圈控制進入鏡頭的進光量。
3.
子宮帽 (避孕用具)
a contraceptive device consisting of a flexible, dome-shaped cup that is inserted into the vagina to cover the cervix and prevent sperm from entering the uterus.
範例:
•
She discussed using a diaphragm as a birth control method with her doctor.
她與醫生討論了使用子宮帽作為避孕方法。
•
Proper fitting is essential for the effectiveness of a contraceptive diaphragm.
正確佩戴對於避孕子宮帽的有效性至關重要。