relatively quickly because of that.

从一个地方到另一个地方
Because there are airplanes

飞机也是
that were also developed by engineers in that century.

由工程师在这个世纪发明的
We designed a lot of new materials that could be used to

工程师们设计了多种材料来造出
build things that couldn't have been done otherwise.

前所未有的东西
Things like steel and polymers, or plastics, and ceramics,

包括钢铁聚合物塑料陶瓷
and of course computers

当然计算机这个在你们的有生之年
which has progressed remarkably

已经取得令人瞩目的进展的发明
due to the work of engineers in your lifetime,

也得归功于工程师的工作
until now you can carry around a cell phone,

现在你们的手机能随身携带
which would have been unthinkable even 30 years ago.

而这在三十年前是不可想象的
Engineers in the twentieth century have transformed our society.

二十世纪的工程师已经改变了我们的社会