亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

lumina

音標(biāo)['lu:minə]
lumina是什么意思、lumina怎么讀

lumina漢語(yǔ)翻譯

腔, 流明(光通量單位)
【醫(yī)】 腔, 流明(光通量單位)

lumina英語(yǔ)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
0
糾錯(cuò)