单词 | summer solstice |
释义 | summer solstice [`sǝm·ǝr `säl·stǝs] ASTRONOMY 1. The sun's position on the ecliptic when it reaches its greatest northern declination. Also known as first point of Cancer. 2. The date, about June 21, on which the sun has its greatest northern declination. |
随便看 |
|
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。