ph.
1. The production is increasing by leaps and bounds.
生产正在极其迅速地增长。
1. 飞速地,突飞猛进地：by itself 自动地;单独地 | by leaps and bounds 飞速地,突飞猛进地 | by little and little 一点一点地,逐渐地
2. 迅速地,突飞猛进地：break out of突破,摆脱 | break through sth.突围;取得突破性进展 | by leaps and bounds迅速地,突飞猛进地
3. 大幅度地：by accident 偶然,無意中 | by leaps and bounds 大幅度地 | by way of 經由
4. 大幅度的,飞速的：by the book 有根据,照章办事 | by leaps and bounds 大幅度的,飞速的 | call a spade a spade 直言不讳