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sidereal

英 [saɪ'dɪərɪəl] 美[saɪ'dɪrɪəl]
英英释义 实用场景例句
  • adj. [天] 恒星的；根据星球运行测定的

英英释意

1. of or relating to the stars or constellations;
"sidereal bodies"
"the sidereal system"
2. (of divisions of time) determined by daily motion of the stars;
"sidereal time"