Great progress has been made

长足───rapid;进步───progress

A rapid rise in price soon eventuated in mass unemployment.───物价迅速上涨,结果造成了大量失业.

It is a rapid river.───那是一条湍急的河.

Owing to the help from his comrades, he has made rapid progress.───由于同志们的帮助, 他进步很快.

The new trade agreement should facilitate more rapid economic growth.───新贸易协定应当会加快经济发展。

His arm was a rapid blur of movement as he struck.───他出击时胳膊快速一晃，令人眼花缭乱。

They pride themselves upon their child's rapid progress.───他们为孩子们的迅速进步而自豪.

The rapid development of technology means that she is now far behind, and will need retraining.───随着技术的快速发展，她已经远远落伍了，需要接受再培训。

Leonard made a rapid calculation: he'd never make it in time.───伦纳德快速盘算了一下：他肯定赶不上了。