English-Pinyin/Astronomy includes
Appearance
Astronomy includes the study of physical and chemical properties of celestial objects and processes.
Tiānwénxué bāokuò yánjiū tiāntǐ hé guòchéng de wùlǐ hé huàxué tèxìng.
Astronomy includes the study of physical and chemical properties of celestial objects and processes.
Tiānwénxué bāokuò yánjiū tiāntǐ hé guòchéng de wùlǐ hé huàxué tèxìng.