cosmology
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/kɑːzˈmɑːlədʒi/
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/kɒzˈmɒlədʒi/
The study of the universe, its formation, and how it has changed over time.
Cosmology is a fascinating field that explores the mysteries of the universe.
宇宙学是一门探索宇宙奥秘的迷人学科。