發(fā)簡信
IP屬地：河南
Lesson 25-2 Non-auditory effects of noise On turning eagerly to the text...
Lesson 25-1 Non-auditory effects of noise Many people in industry and th...
Lesson 24-2 Beauty There is no sky in June so blue that it does not poin...
Lesson 24-1 Beauty A young man sees a sunset and, unable to understand o...
Lesson 23-2 Bird flight Duck, and like them the pigeons, are endowed wit...
Lesson 23-1 Bird flight No two sorts of birds practise quite the same so...
Lesson22-2 Knowledge and progress 知識和進步 Then knowledge began to be accum...
Lesson22-1 Knowledge and progress 知識和進步 Why does the idea of progress lo...
Lesson 21-2 William S. Hart and the early 'Western' film And although no...