big bang theory
柯林斯词典
1. N-SING In astronomy the big bang theory is a theory that suggests that the universe was created as a result of an extremely large explosion. 大爆炸理论['the' N]
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1. N-SING In astronomy the big bang theory is a theory that suggests that the universe was created as a result of an extremely large explosion. 大爆炸理论['the' N]