以上来源于: WordNet
The world is not simply the physical world that you and I know, it's the cosmos, the Greek word where we get the word cosmology, all the universe.
这个世界并不只是你我所知的物质世界，而是宇宙，宇宙学这个词的希腊语来源，整个宇宙。
Study of physical effects in the vicinity of a black hole as a basis for understanding general relativity, astrophysics, and elements of cosmology.
透过研究黑洞对附近环境的物理影响，为同学提供了解广义相对论、天体物理学和基础宇宙学的基础。
Cosmology: the study of the physical universe considered as a totality of phenomena in time and space.
宇宙学：把有形的宇宙当做时空中的各种现象的总和来研究的科学。
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