Primum mobile
原动天, 第十层天(2世纪希腊天文学家托勒密(Ptolemy)的天动说中的最外层天体, 带动所有天体转动)
🧩 词语组成解析
[医]氟硝安定（安眠药，麻醉诱导药），原始的
🗣️ 情景例句
Is there a limit to how many I can purchase at this price?
我买这种东西在数量上有什么限制吗？
No matter what comes up, don't look back.
不论发生什么事情，你也不要回头看。
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。