lumen

中文释义

1. n. 流明, 腔
2. [医] 腔, 流明(光通单位)

英文释义

1. 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
2. n. a cavity or passage in a tubular organ

词形变化

复数

lumens

相关单词