leap [li:p]

【词义解析】
leap一般用作vi.，主要词义包括：

1、跳跃,跳过;如：

He leapt out of bed.
他从床上跳了下来。

The dog leapt over the fence.
狗跳过了围栏。

The fish leaped out of water and landed on the shore.
鱼跃出水面落到岸上。

2、突突直跳,猛然行动;如：
His heart leaps up.
他的心扑通地跳。

3、闪过；突然想起；如：
The idea leaped into his mind.
这个想法突然闪过他的脑海。

leap也可用作n.,作“跳跃，飞跃，（数量）剧增”，如：

China's economy has made a great leap forward in recent years.
中国的经济近几年得到了跳跃式的发展。

the active leap from perceptual to rational knowledge
从感性认识到理性认识之能动的飞跃

【习语】
aleapin the dark 盲目的冒险行动;死
by leaps and bounds 突飞猛进地
with leaps and bounds 飞跃地, 迅速地
leap at 急切地抓住(机会等)

【背句子记单词】
Look before you leap.
要三思而后行。
As I look back, scenes of the past leap before my eyes.
追忆往事，历历在目。