big bang theory
英 [bɪɡ bæŋ ˈθɪəri]
美 [bɪɡ bæŋ ˈθiːəri]
n. (关于宇宙起源的)大爆炸理论
柯林斯词典
- （关于宇宙起源的）创世大爆炸理论
In astronomythe big bang theoryis a theory that suggests that the universe was created as a result of an extremely large explosion.
英英释义
noun
- (cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature