sidereal

sidereal

英 [saɪ'dɪərɪəl]
　　美 [saɪ'dɪrɪəl]

adj. [天] 恒星的；根據星球運行測定的

中文詞源：

sidereal 恒星的

來自法語 sidereal,恒星的，來自拉丁語 sideris,星星的，所有格形式於 sidus,星星，星辰，詞 源同 consider,desire.

例句：

1. The sidereal year is not used to construct a calendar.
恒星年不用於編制年歷.

2. A sidereal day is about 4 minutes shorter than a solar day.
一個恒星日比一個太陽日大約短4分鐘.

3. A sidereal day is shorter than a mean solar day by 3 minutes and 56 seconds.
恒星日比平均太陽日短三分五十六秒.

4. Tropical year, and sidereal year are two different concepts.
回歸年與恒星年是不同的兩個概念.

5. A solar day is four minutes longers than a sidereal day.
一個太陽日比一個恒星日長4分鐘.