单词
lumen
读音
ˈluːmɪn
美式
英式
词根
无
释义
n. 流明（光束的能量单位）；（管状器官内的）内腔 [ 复数 lumens或lumina ]
例句
Each has an opening to the colonic lumen through a narrow neck.
每个憩室有一个窄的开口通向结肠腔。
The light perceived by the human eye is measured in units called lumen-hours.
人类眼睛所观测到的光是以流明小时这种单位度量的。
In 1700 a typical Briton consumed 580 lumen-hours in the course of a year, from candles, wood and oil.
在1700年一个普通的英国人一年消耗580流明时燃烧蜡烛、木材和油产生的光。
Each has an opening to the colonic lumen through a narrow neck.
每个憩室有一个窄的开口通向结肠腔。
The light perceived by the human eye is measured in units called lumen-hours.
人类眼睛所观测到的光是以流明小时这种单位度量的。
In 1700 a typical Briton consumed 580 lumen-hours in the course of a year, from candles, wood and oil.
在1700年一个普通的英国人一年消耗580流明时燃烧蜡烛、木材和油产生的光。
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