lumens
📖 中文释义
- 腔, 流明(光通量单位)
🔗 释义中的汉语词
🧩 词形变化
原形 lumen
📘 English Definition（英文释义）
- n a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
- n a cavity or passage in a tubular organ