n.流明(光通量单位)，管腔(解剖学)

原形：lumen复数：lumina

Lumen is the unit of measurement for light intensity, similar to how watts measure power.
流明是衡量光强度的单位，就像瓦特用来衡量功率一样。
The lumen in a LED bulb is much more energy-efficient than traditional incandescent bulbs."
LED灯泡的流明效率远高于传统的白炽灯泡。
A 100-watt bulb emits around 1600 lumens, providing ample brightness for most rooms.
一个100瓦的灯泡大约发出1600流明的光，为大多数房间提供足够的亮度。
The new theater projector boasts a high lumen output, ensuring clear images even in a brightly lit room.
新剧院投影机具有高流明输出，即使在光线充足的房间里也能保证图像清晰。
To adjust the lighting, you simply need to change the lumen setting on your light fixture.
要调整照明，只需更改灯具上的流明设置即可。
Lumen technology has revolutionized the field of photography by enabling better low-light performance.
流明技术通过提升暗光性能，彻底革新了摄影领域。
A lumen is not only a measure of brightness but also a measure of the amount of light emitted per unit time.
流明不仅是亮度的度量，也是单位时间内发出的光量的度量。
In landscape architecture, designers consider the lumen output to ensure adequate visibility at night.
在景观设计中，设计师会考虑流明输出以确保夜晚有足够的可见度。
Lumen therapy is a non-invasive treatment that uses bright light to alleviate depression and seasonal affective disorder.
光疗（Lumen therapy）是一种无创治疗，利用强光来缓解抑郁和季节性情感障碍。
The new smart lamp promises to maintain a constant lumen level throughout the day, ensuring consistent illumination.
这款新型智能灯承诺全天保持恒定的流明水平，确保照明的一致性。