A line (straight unless caused to deviate) along which physical energy other than light is radiated (analogous to a ray of light, sense 1a); a…
| 单词 | θ76070 |
| 释义 | the world > matter > physics > energy or power of doing work > [noun] > emission of energy > a ray (1) ray1813 A line (straight unless caused to deviate) along which physical energy other than light is radiated (analogous to a ray of light, sense 1a); a… |
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