a leap in sth
常与 big、huge、sharp 等形容词连用，表示某方面的急剧增长。
There has been a sharp leap in house prices this year.
今年房价出现了大幅上涨。
跳距；一跃的距离；激增；猛增；突然转变；骤变；突飞猛进；重大进展；（推理中的）大跨步；臆断
an act of jumping or leaping
跳或跳跃的动作。
The act of leaping or jumping.
用树枝制成的捕鱼陷阱；鱼篓。
A trap or snare for fish, made from twigs; a weely.
向上或向前的轻盈自主移动
a light, self-propelled movement upwards or forwards
跳跃所经过的距离。
The distance traversed by a leap or jump.
半蒲式耳
Half a bushel.
突然的转变
an abrupt transition
一群豹。
A group of leopards.
突然而决定性的增长
a sudden and decisive increase
重大的向前迈进。
A significant move forward.
推理中的大跨度,通常是没有事实依据的。
A large step in reasoning, often one that is not justified by the facts.
断层。
A fault.
(雄性动物与雌性动物的)交配。
Copulation (by a male animal) with a female one.
从一个音符到另一个音符的间隔移动,尤其是长间隔或包含多个中间间隔的移动。
A passing from one note to another by an interval, especially by a long one, or by one including several other intermediate intervals.
鱼试图跳过的小瀑布；鲑鱼梯。
A small cataract over which fish attempt to jump; a salmon ladder.
The cat made a graceful leap onto the windowsill.
猫优雅地跳上了窗台。
用法提示：名词表示跳跃动作
AI contextual example
The company took a huge leap forward with the new technology.
公司凭借新技术取得了巨大的飞跃。
用法提示：名词表示突然的进步或转变
AI contextual example
There has been a dramatic leap in sales this quarter.
本季度销售额急剧增长。
用法提示：名词表示急剧增加
AI contextual example
常与 big、huge、sharp 等形容词连用，表示某方面的急剧增长。
There has been a sharp leap in house prices this year.
今年房价出现了大幅上涨。
前面常加 big、great、huge 等词，表示重大的进步或突破。
This discovery is a great leap forward for cancer research.
这一发现是癌症研究的一大进步。
表示从一种状态、阶段到另一种状态的跨越或转变。
The leap from school to university can be hard for many students.
从中学到大学的跨越对许多学生来说可能很艰难。
固定搭配，意为飞快地、突飞猛进地。
Her English is improving by leaps and bounds.
她的英语正在飞速提高。
jump 是最通用的词，可替换大多数语境下的 leap，但 leap 更强调有力和突然
bound 强调连续、有力的跳跃，如动物跳跃，与 leap 相似但更侧重弹跳感
spring 强调突然、有弹性的动作，如弹簧般弹起，比 leap 更强调弹性
vault 多指用手或杆支撑跳跃，如跳马或翻越障碍，与 leap 不完全等同
hop 指单脚小跳，幅度和力度通常比 leap 小，不可互换于强调大幅跳跃的语境
grammar · medium
易错句子The company made leap forward in technology.
正确表达The company made a leap forward in technology.
leap 是可数名词，单数泛指时需要不定冠词 a/an；汉语名词常不带冠词，因此容易漏掉 a。加上 a 后，a leap forward 才符合英语可数名词的单数用法。
grammar · medium
易错句子There have been several leap in the company's profits.
正确表达There have been several leaps in the company's profits.
leap 是可数名词，前面有 several 等复数限定词时，名词要用复数形式 leaps；汉语名词通常不随数量变化，容易漏加 -s。
grammar · medium
易错句子There was a sharp leap of oil prices last month.
正确表达There was a sharp leap in oil prices last month.
表示某方面出现激增时，leap 后常用介词 in，由 in 引出增长发生的领域；of 在这里不表示该领域，所以要用 in 而非 of。
指突然下降，与leap的突然增加相对
指向下运动，与leap的向上跳跃相对
指从高处落下，与leap的跃升相对
指缓慢移动，与leap的快速跳跃相对
指数量减少，与leap的突然增加相对
巨大飞跃
The invention of the internet was a quantum leap in communication.
互联网的发明是通信领域的一次巨大飞跃。
巨大的一步
Landing on the moon was a giant leap for mankind.
登月是人类的一大步。
信念的飞跃
Starting her own business required a leap of faith.
创办自己的企业需要信念的飞跃。
大跃进
The country made a great leap in economic development.
该国在经济发展上实现了大跃进。
向前飞跃
The new policy led to a leap forward in technology.
新政策带来了技术的飞跃。
信念的跳跃；冒险的举动
Starting her own business was a leap of faith.
创办自己的企业是一次信念的跳跃。
三思而后行
You should look before you leap when investing in stocks.
投资股票时你应该三思而后行。
巨大飞跃；重大突破
The discovery marked a quantum leap in medical science.
这一发现标志着医学科学的巨大飞跃。
你必须进行信仰之跃。
The leap of faith in Indiana Jones and the Last Crusade is a famous scene.
《夺宝奇兵3：圣战奇兵》中的信仰之跃是一个著名场景。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
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Preparing Confusing words
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Dictionary facts from ECDICT, WIKTIONARY.
闰年
February has 29 days in a leap year.
闰年二月有29天。
Watch the sound change