lumenal

  扩展词汇  
['luːmen]     ['luːmen]    
  • n. 内腔;流明(光流的强度单位)
lumena lumens
new

lumen的英文翻译是什么意思,词典释义与在线翻译:

英英释义

Noun:
  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

  2. a cavity or passage in a tubular organ;

    "the lumen of the intestine"

lumen的用法和样例:

例句

用作名词 (n.)
  1. The innermost region of cotton is called lumen.
    棉纤维的最内层组织叫内腔。
  2. A former luminance unit equals to one lumen per square foot.
    旧制光的亮度单位等于每平方英尺流明。

词汇搭配

今日热词
目录 附录 查词历史