ptolemy

• 专有名词，指古代天文学家托勒密，他提出了地心说宇宙模型；也指公元前323年至公元前30年统治埃及的马其顿王朝。

A proper noun referring to a notable historical figure, specifically an ancient astronomer who proposed a geocentric model of the universe, or to the Macedonian dynasty that ruled Egypt from 323 BC to 30 BC.

不可数 · 专有名词

1. Ancient astronomerC1formal

   An Alexandrian astronomer and mathematician from the 2nd century who proposed a geocentric model of the universe, which was widely accepted until the late Renaissance.

   古代天文学家

   • Ptolemy's work, the Almagest, was a key text in astronomy for over a thousand years.
   • The Ptolemaic system placed Earth at the center of the universe.
   • Many scholars studied Ptolemy's theories until Copernicus challenged them.

2. Macedonian dynastyC1formal

   A dynasty of Macedonian Greek kings who ruled Egypt from 323 BC to 30 BC, founded by Ptolemy I Soter and ending with Cleopatra VII.

   托勒密王朝

   • The Ptolemy dynasty was established after the death of Alexander the Great.
   • Cleopatra was the last active ruler of the Ptolemaic Kingdom.
   • Ptolemy I was a general under Alexander the Great.