来自蒋人杰的问题
介绍牛顿,英文对照汉语
介绍牛顿,英文对照汉语


介绍牛顿,英文对照汉语
介绍牛顿,英文对照汉语
Britishgreatphysicist,mathematician,astronomer.TheboonspaceSisay:"Newtonestablishedastronomybecauseofdiscoveringgravitationaltheory,becauseofcarryonlightofresolvebutestablishedth...