英 [əˈkɜː(r)] 美 [əˈkɜːr]
v. （尤指意外地）发生；存在，出现；（想法）产生
第三人称单数occurs
现在分词occurring
过去式occurred
过去分词occurred
occur /əˈkɜː/ CET4 TEM4 [ occurring occurred occurs ]
不及物动词 When something occurs, it happens. 发生
If headaches only occur at night, lack of fresh air and oxygen is often the cause.
如果头痛只发生在晚上，缺少新鲜空气和氧气常常是其原因。
The crash occurred when the crew shut down the wrong engine.
机组人员关错发动机后就坠毁了。
不及物动词 When something occurs in a particular place, it exists or is present there. (某事物在某地) 出现
These snails do not occur on low-lying coral islands.
这些蜗牛不会出现在低洼的珊瑚岛上。
不及物动词 If a thought or idea occurs to you, you suddenly think of it or realize it. (想法、主意在某人脑海中) 突然出现
It did not occur to me to check my insurance policy.
我没想到要核对我的保险单。
come to pass
Nothing occurred that seemed important
同义词： happen / hap / go on / pass off / pass / fall out / come about / take place
come to one's mind; suggest itself
It occurred to me that we should hire another secretary
同义词： come
to be found to exist
sexism occurs in many workplaces ; precious stones occur in a large area in Brazil
发生-引用次数：36
The important events that occur in the community can often reflect the interest relationship and power structure between the state and society.
社区中发生的重要事件,往往能够体现国家与社会之间的利益关系和权力结构。
产生-引用次数：3
Part two analysis the causes in which the original education thoughts occur,mainly from three aspects, social situation; school competition ;individual efforts.
第二部分,分别从宋代的社会形势、宋代学的派争鸣、还有宋代思想家的个体努力三个方面分析宋代原创性教育思想产生的原因。
参考来源宋代原创性教育思想研究
发生
Seriousness 这可以(Can)称之为 一本正经 ( Seriousness )地胡说八道。遵从概率理论，两件不相干的事情都发生(Occur)的概率(Probability)是各自发生概率的乘积，所以两件不相干的各自概率..
打鼾的人选择弹力过强的枕头，如弹簧枕、气枕等也不好，这样头部不停受~到(shoudao)外加的弹力作用，易出现(Occur)肌肉疲顿和损伤，也会减轻打鼾的水平(Level)。
... incur v. 招致，惹起，遭受 occur v. 发生，出现；存在；想起，想到 recur v. (尤指不好的事)一再发生；重现 ...
髓核在3种类型中均起作用，但传入和传出弧有一定(Must)变异，从而产生(Occur)不同的临床表现(Representation)： a.
occurrent 正在发生的；偶然发生的
occurrence 发生；出现；事件；发现
When exactly did the incident occur?
这一事件究竟是什么时候发生的？
These snails do not occur on low-lying coral islands.
这些蜗牛不会出现在低洼的珊瑚岛上。
Rattlesnakes occur in the warmer, drier parts of North America.
响尾蛇出现在北美温暖干燥的地区。
Cluster headaches occur in cycles: sufferers can experience several headaches a day for weeks or even months on end.
VOA : standard.2009.12.17
And will make mistakes. And therefore, you write your programs so that catastrophes don't occur when those mistakes are made.
就是人是很愚蠢的，会犯错误的，因此，你要这样设计你的程序,以达到当犯错误时避免大事故的目的。
计算机科学及编程导论课程节选 : 麻省理工公开课
And then, of course, not just whether the reaction will occur but, how fast it occurs is really important.
当然，我们不光要研究一个反应会不会发生,反应速率多块也是很重要的研究问题。
化学原理课程节选 : 麻省理工公开课
The operations are highly unpopular among Pakistanis, but are believed to occur with the tacit consent of the government.
VOA : standard.2009.03.28
He says reports of water contamination occur wherever there is hydro fracking, perhaps because the process uses such great pressure.
VOA : standard.2010.01.02
That, you know, these infections do occur in that area in heterosexuals as well.
Occasional stings do occur, but the professional beekeepers are usually able to deal with it.
In the upset that did in fact occur by midsummer, U.S. mortgage debt was only the start.
occur，英语单词，不及物动词，意为“发生；出现；存在”。