The action of illuminating; the fact or condition of being illuminated; a lighting up, a supplying of light. Also technical in sense illuminate, v.…
| 单词 | θ78669 |
| 释义 | the world > matter > physics > electromagnetic radiation > [noun] > directing a beam of (1) illumination1942 The action of illuminating; the fact or condition of being illuminated; a lighting up, a supplying of light. Also technical in sense illuminate, v.… |
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