迈向现代科技的一大步是发明了第一台便携式盒式磁带播放机。
A big step towards modern technology was the invention of the first portable cassette player.
随着科技的发展，中国年轻人王梦秋发明了无人相机。
With the development of science and technology, a Chinese young man Wang Mengqiu, invented Hover Camera.
因为如果你能想像莫札特生在钢琴科技发明之前，那会是社会的多大损失。
Because if you can imagine Mozart before the technology of the piano was invented, what a loss to society there would be.
应用推荐