Sidereal day
n. 恒星日（较标准日约短四分钟）
🧩 词语组成解析
sidereal
[saɪ'dɪrɪəl]
adj. 星的，根据恒星测定的;
day
[de]
n. 一天;白天;时期;节日;
adj. 日间的;逐日的;
adv. 每天;经常在白天地;
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
The best teachers of humanity are the lives of great men.
启迪人性最好的导师是伟大人物的生活。
Thousands joined him when he led a march to the coast, with the purpose of making a little salt when he reached the sea.
为了生产一点盐，他带领游行队伍向海滨前进，当他们到达海滨时，成千上万的人参加了进来。