lumen

名词

1. 1

   流明

   This desk lamp puts out about eight hundred lumens at full brightness.

   这盏台灯在最亮时约可输出八百流明。

2. 2

   管腔、腔医学

   Plaque had narrowed the lumen of the artery considerably.

   斑块已使动脉的管腔明显变窄。