leaps

the fish made little leaps and flips.

鱼儿轻快翻跳。

growing by leaps and bounds.

长得快

His heart leaps up.

他的心扑通跳。

Her heart leaps up.

她的心跳加快。

productivity improved in leaps and bounds.

生产率猛进提高。

Production is going up in leaps and bounds.

产量增长。

Her French is improving by leaps and bounds.

她的法语进步非常快。

Jill's making excellent progress; she's coming along in leaps and bounds.

吉儿进步很快, 她正快。

Our group of friends is enlarging by leaps and bounds. Toextend is to lengthen in space or time or to broaden in range, as of application:

们的朋友圈在扩大。 extend 指加大空间、加长时间或扩大范围， 如以下应用：

My knowledge of German increased by leaps and bounds when I lived in Germany for a year.

在德国居住了一年，的德语水平迅提高。