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單詞乎

lumens

音標['lu:mən]
lumens是什么意思、lumens怎么讀

lumens漢語翻譯

腔, 流明(光通量單位)

lumens詞型變化

名詞復數(shù):lumens 形容詞:lumenal 

lumens英語解釋

名詞 lumen:

  1. 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
    同義詞：lumen, lm
  2. a cavity or passage in a tubular organ
    同義詞：lumen
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