，向下
，有时含突然
We were talking when he leaped in.
我们正在谈话, 他
了进来。
，跃跃；飞跃跃，过；使跃过；快速发展
经济计划）
)猛增
；不顾后果行；盲目冒险举;◎死[英国哲学家汤玛斯霍伯斯用语];过背戏）We were talking when he leaped in.
我们正在谈话, 他了进来。
He took a leap over an obstacle.
他跃过障碍物。
Her marriage to John was a leap in the dark.
她与约翰结婚是贸然行。
This latest research represents a quantum leap in our understanding of the universe.
这项最新研究表明，我们对宇宙了解有了重大进展。
1996 and 2000 are leap years. 1996
年和2000年是闰年。
Her French is improving by leaps and bounds.
她法语进步非常快。
The goat leaped surely from rock to rock.
山羊稳稳当当地从一块石头到另一块石头上。
His heart leaped and he felt himself reddening.
他心在, 他感觉自己脸红了。
Production is going up in leaps and bounds.
产量飞速增长。
With a lash of its tail the tiger leaped at her.
老虎把尾巴一甩朝她扑过来。
If one sheep leap over the dyke,all the rest will follow.
一只羊过沟,其余羊也跟着。
He leapt onto the train just as it was pulling away.
他在火车正要开时了上去。
Jill's making excellent progress; she's coming along in leaps and bounds.
吉儿进步很快, 她正飞快地赶上。
The quantum leap in writing technology came with the introduction of personal computers.
个人电脑使用带来了书写技术飞跃发展。
He leaped up from his chair.
他从座位上起来。
The dog is leaping at him.
这只狗朝他过去。
She leaped out of the house.
她从房子里出来。
The idea leaped into his mind.
这个想法突然闪过他脑海。
A frog leaped out.
一只青蛙了出来。
Her heart leaps up.
她心加快。
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