intransitive. Of rays of light, sound waves, etc.: to converge to or towards a single point or place. Also figurative.
| 单词 | θ76314 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > emit rays of light [verb (intransitive)] > converge to a focus (2) focus1858 intransitive. Of rays of light, sound waves, etc.: to converge to or towards a single point or place. Also figurative. Subcategories:— not (1) |
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