Uranometry
恒星编目, 天体测量, 天体测量学
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
An oak is not felled at one stroke.
万事不能一蹴而就。
'This service has been suspended.'
“此趟列车暂停运行。”