Celestial mechanics
n. 天体力学，引力天文学
🧩 词语组成解析
celestial
[sə'lɛstʃəl]
adj. 天的，天空的;
n. 天人，神仙;（指封建时代的）中国人，天朝之人;
cel 天空 + est最 + ial 属于...的 → adj.天上的 n.天人
🗣️ 情景例句
Many kings and emperors used silver chopsticks to see if their food was poisoned.
许多帝王用银制的筷子以检查他们的食物中是否被人投了毒。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，