1
the diaphragm of [noun]
此处指相机中控制进光量的部件，而非身体部位。
The diaphragm of the camera controls the aperture.
相机的光圈控制孔径。
光圈；光阑
diaphragms — plural of diaphragm
先理解核心含义，再看它在真实句子里的用法。
光圈；光阑
a mechanical device in a camera that controls the size of the aperture of the lens
The diaphragm of the camera controls the aperture.
相机的光圈控制孔径。
哺乳动物体内分隔胸腔和腹腔的一片肌肉,呼吸时收缩和放松,以将空气吸入和排出肺部。
In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs.
相机中控制镜头光圈大小的机械装置
a mechanical device in a camera that controls size of aperture of the lens
任何将一腔与另一腔分隔的膜或肌肉/韧带片。
Any of various membranes or sheets of muscle or ligament which separate one cavity from another.
(解剖学)分隔腹腔和胸腔的肌肉隔膜；在呼吸中起作用
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Adjusting the diaphragm on the lens changes how much light reaches the camera sensor.
调整镜头上的光圈会改变到达相机传感器的光量。
AI contextual example
The photographer closed the diaphragm slightly to make the whole scene sharp.
摄影师稍微缩小光圈，使整个画面都清晰。
AI contextual example
A wider diaphragm lets in more light, which is useful in dark rooms.
更大的光圈能让更多光线进入，在黑暗的房间里很有用。
AI contextual example
the new cameras adjust the diaphragm automatically
这些新相机自动调节光圈。
WordNet
此处指相机中控制进光量的部件，而非身体部位。
The diaphragm of the camera controls the aperture.
相机的光圈控制孔径。
指呼吸时横膈膜收缩或舒张的动作。
Breathe in and contract the diaphragm.
吸气并收缩横膈膜。
此处 diaphragm 指相机光圈，可调节进入镜头的光量。
She used the diaphragm to control the exposure.
她用光圈控制曝光。
Not this
The singer felt a pain in her diaphram.
Use this
The singer felt a pain in her diaphragm.
diaphragm 的正确拼写是 d-i-a-p-h-r-a-g-m，其中 ph 发 /f/ 音，词尾的 g 不发音；学习者常漏写这个不发音的 g，写成 diaphram。
Not this
The X-ray shows my diagram clearly.
Use this
The X-ray shows my diaphragm clearly.
diagram 意为“图表、示意图”，而 diaphragm 指“横隔膜”或“光圈”。二者拼写相近但含义不同，表示身体部位时应用 diaphragm。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
孔径光阑
In a camera lens, the aperture diaphragm controls the amount of light reaching the sensor.
在相机镜头中，孔径光阑控制到达传感器的光量。
调节光圈
Turn the ring on the lens to adjust the diaphragm.
转动镜头上的圆环来调节光圈。
光圈叶片
The diaphragm blades open and close to create different aperture sizes.
光圈叶片开合以形成不同的光圈大小。
光圈孔径
A larger diaphragm opening allows more light to enter the camera.
较大的光圈孔径允许更多光线进入相机。
Use diaphragms naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：diaphragm 像两块“隔膜”——身体的横膈膜负责呼吸，相机的光圈叶片一张一合控制进光。
语域：neutral 常见场景：相机、摄影、光学设备 该词义通常指相机镜头中控制进光量的光圈部件，多用于摄影、光学等专业或日常技术语境。
The target ends in a silent 'g': the final syllable is /fræm/. The same /-æm/ sound appears in ram (/ræm/), clam (/klæm/), diagram (/ˈdaɪəˌɡræm/), and telegram (/ˈtɛlɪˌɡræm/). Beware lookalikes whose 'gm' is also silent but whose vowel differs: phlegm (/flɛm/) and paradigm (/ˈpærədaɪm/).
Dictionary facts from ECDICT, WIKTIONARY.