| 单词 | winter solstice |
| 释义 | Word Frequency winter solsticenoun 1. the time at which the sun is at its southernmost point in the sky (northernmost point in the S hemisphere) appearing at noon at its lowest altitude above the horizon. It occurs about December 22 (June 21 in the S hemisphere) 2. astronomy the point on the celestial sphere, opposite the summer solstice , at which the ecliptic is furthest south from the celestial equator. Right ascension: 18 hours; declination: –23.5° |
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