英 [əˈkɜ:rɪŋ] 美 [əˈkɜːrɪŋ]
v. 发生；存在于（occur 的现在分词）
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
事件；事故；事变-引用次数：26
参考来源创新扩散的要素与农民个体态度改变
... happening 偶然发生的事... occurring 发生 up 向上 ...
事件；事故；事变
event / accident / incident / circumstance / scene
After May 19, strikes were occurring on a daily basis.
在5月19日以后，罢工每天都在发生。
It was noticed that this strange thing had been occurring every day latterly.
大家注意到，近来这种怪事天天都在发生。
Even more than mountainside slides of mud or snow, naturally occurring forest fires promote the survival of aspen trees.
自然发生的森林火灾甚至比山体滑坡或积雪更能促进白杨树的生长。
The spill may be occurring along the Gulf coast of the United States, but experts say it is an international problem.
VOA : standard.2010.06.08
Insulin is a naturally occurring hormone, it's a protein hormone that circulates in all of our bodies and regulates glucose metabolism.
胰岛素是人体自身产生的一种激素,它是一种蛋白质激素,遍布全身,并调节糖代谢
生物医学工程探索课程节选 : 耶鲁公开课
So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.
因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗
生物医学工程探索课程节选 : 耶鲁公开课
As of September 23,2009, had been reported, with 97 occurring in the Gulf of Aden and 47 off of the remaining coasts of Somalia.
VOA : standard.2009.10.30
And,these are occurring at a time when the global economic crisis is making it more difficult to maintain good health, especially in the developing world.
VOA : standard.2009.05.18
The risk increases as women get older, with 80% of cases occurring in women over 50.
It is occurring just as was forecast at the start of the mission, almost to the month.
"Where there was no spraying cultivation was up, where spraying is occurring, cultivation is shrinking, " Mr Walters said.