向上
，向下
He took a leap over an obstacle.
他跃过障碍物。
，跃跃；飞跃跃，过；使跃过；快速发展过背戏He took a leap over an obstacle.
他跃过障碍物。
We were talking when he leaped in.
我们正在谈话, 他了进来。
Her marriage to John was a leap in the dark.
她与约翰结婚是贸然行动。
This latest research represents a quantum leap in our understanding of the universe.
这项最新的研究表明，我们对宇宙的了解有了重大进展。
1996 and 2000 are leap years. 1996
年和2000年是闰年。
Production is going up in leaps and bounds.
产量飞速增长。
His heart leaped and he felt himself reddening.
他的心在, 他感觉自己的脸红了。
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。
Her French is improving by leaps and bounds.
她的法语进步非常快。
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,其余的羊也跟着。
He leapt onto the train just as it was pulling away.
他在火车正要开动时了上去。
The quantum leap in writing technology came with the introduction of personal computers.
个人电脑的使用带来了书写技术的飞跃发展。
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 dog is leaping at him.
这只狗朝他过去。
Peter leapt the last few stairs.
彼得过最后几步台阶。
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的脑海。
He leaped up from his chair.
他从座位上起来。
His heart leaps up.
他的心扑通地。
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正。
