Sidereal day
n. 恒星日（較標準日約短四分鐘）
?? 詞語組成解析
sidereal
[sa?'d?r??l]
adj. 星的，根據恒星測定的;
day
[de]
n. 一天;白天;時期;節日;
adj. 日間的;逐日的;
adv. 每天;經常在白天地;
??? 情景例句
I think I want to study journalism
我想學新聞學
They called us just as we were having dinner.
當我們正在吃晚飯，他們就打電話給了我們。
'May I have two tickets please?' I asked.
“我可以買兩張票嗎？”