留聲詞典
luminousness的中文翻譯是什麼意思
luminousness
US
/'lumɪnəsnɪs/
UK
/'lu:mɪnəsnɪs/
透光率
luminousness的
英文釋義
Noun
1. the quality of being luminous; emitting or reflecting light;
its luminosity is measured relative to that of our sun