| 释义 |
sidereal year 【天文学】恒星年 以上来源于:《21世纪大英汉词典》 sidereal yearn.① 恆星年(約365天6小時又10分鐘)sidereal yearn.=year, 10详细释义源自:《新世纪英汉大词典》Collins外研社 n= year英英释义n.the time for the earth to make one complete revolution around the sun, relative to the fixed starssidereal ye |