But it is worth remembering that just over a century ago, heavier-than-airflight seemed an impossible dream.
但是值得回忆的是仅仅在一个世纪以前,重于空气的飞行似乎是个不可能实现的梦想。
3
Referring to two helicopters bought by the village for sightseers Zhou li said: 'the airflight project and our new skyscraper are our ways to improve the quality of tourism.