The wisdom of the day was derived from Ptolemy, an astronomer of the secondcentury, whose elaborate system of the sky put Earth at the center of all heavenly motions.
当时的智慧来自于二世纪的天文学家托勒密,他的复杂天空体系把地球置于所有天体运动的中心。
2
The wisdom of the day was derived from Ptolemy, an astronomer of the secondcentury, whose elaborate system of the sky put Earth at the center of all heavenly motions.
当时的智慧来自于二世纪的天文学家托勒密,他的复杂天空体系把地球置于所有天体运动的中心。
3
By our secondcentury, the Romans were burning crude oil as a fumigant against caterpillars.