| 释义 |
天极tiānjí
1.地轴延长和天球相交的两点叫做天极。在北半天球的叫北天极,在南半天球的叫南天极。{celestial pole; two points at which the extension of the earth's axis and the geocentric celestial sphere meet. The point at the northern half of the celestial sphere is called northern celestial pole, and that at the southern half is called southern celestial pole.}
2.〈书fml.〉天际;天边。{horizon} |