美国《时代》周刊评选出了2013年的25项最佳发明,有些很实用:能隐身的摩天大楼、能让瘫痪者重新站立的外骨骼套装;有些很有趣:不能提神的咖啡酒、结合了两种美味的羊角甜甜圈面包。...
...
...
A British Library Exhibition Celebrates Innovation 大英图书馆庆祝发明 Have you ever thought of inventing something that could make everyday chores easier? Sam Houghton did and he created a double-headed broom. Sam was just three years old wh...
[00:00.00]Unit 2 Paper was invented in China [00:03.92]第二单元 纸是在中国发明的 [00:07.84]1.Listen,point and say [00:12.43]1.听,指出并且说 [00:17.03]Paper was invented in China.Cai Lun invented it. [00:19.67]纸是在中国发明的...
...