英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

结果

Astronomy的结果

Astronomy (n.)
Astrology.
Astronomy (n.)
The science which treats of the celestial bodies, of their magnitudes, motions, distances, periods of revolution, eclipses, constitution, physical condition, and of the causes of their various phenomena.
Astronomy (n.)
A treatise on, or text-book of, the science.