occur

英 [əˈkɜː(r)]

美 [əˈkɜːr]

v.  发生; 出现; 存在于; 出现在

第三人称单数：occurs　过去式：occurred　过去分词：occurred　现在分词：occurring　

高考CET4CET6考研TOEFLIELTS

Oxford 3000 / Collins.4 / BNC.634 / COCA.756

同义词辨析

happenoccurtake place【导航词义：发生】

短语用例

occur to sb

• 被想到；出现在头脑中
  to come into your mind
  1. When exactly did the incident occur?
     这一事件究竟是什么时候发生的？
  2. Something unexpected occurred.
     发生了一件出乎意料的事。

牛津词典

verb

• 发生；出现
  to happen
  1. When exactly did the incident occur?
     这一事件究竟是什么时候发生的？
  2. Something unexpected occurred.
     发生了一件出乎意料的事。
• 存在于；出现在
  to exist or be found somewhere
  1. Sugar occurs naturally in fruit.
     水果天然含糖分。

柯林斯词典

• VERB 发生
  When somethingoccurs, it happens.
  1. If headaches only occur at night, lack of fresh air and oxygen is often the cause...
     如果只是在晚上头疼，那常常是由于缺乏新鲜空气和氧气的缘故。
  2. The crash occurred when the crew shut down the wrong engine...
     机务人员关错了引擎，随即飞机坠毁。
  3. In March 1770, there occurred what became known as the Boston Massacre.
     1770年3月在那里发生了后来闻名的波士顿惨案。
• VERB 存在；出现；有
  When somethingoccursin a particular place, it exists or is present there.
  1. The cattle disease occurs more or less anywhere in Africa where the fly occurs...
     在非洲凡是有这种蝇虫的地方，几乎都会出现这一牛病。
  2. These snails do not occur on low-lying coral islands or atolls.
     在地势低平的珊瑚岛或环礁上没有这种螺。
• VERB （想法或主意）被想到，被想起，浮现于脑海中
  If a thought or ideaoccurs toyou, you suddenly think of it or realize it.
  1. It did not occur to me to check my insurance policy...
     我没有想到要核实我的保险单条款。
  2. It occurred to me that I could have the book sent to me...
     我想到可以让人把书寄给我。
  3. The same idea had occurred to Elizabeth.
     伊丽莎白也想到了这个主意。

英英释义

verb

• come to pass
  1. What is happening?
  2. The meeting took place off without an incidence
  3. Nothing occurred that seemed important
  Synonym:happenhapgo onpass offpassfall outcome abouttake place
• come to one's mind
  1. It occurred to me that we should hire another secretary
  2. A great idea then came to her
  Synonym:come
• to be found to exist
  1. sexism occurs in many workplaces
  2. precious stones occur in a large area in Brazil

双语例句

• Such events occur only when the external conditions are favorable.
  这种事情只有在外部条件有利时才会发生。
• The crash occurred when the crew shut down the wrong engine
  机务人员关错了引擎，随即飞机坠毁。
• Unless you respect other people's religions, horrible mistakes and conflict will occur.
  如果不尊重别人的宗教信仰，就会祷下大错，酿成冲突。
• Changes in temperature occur slowly and are constrained within relatively tight bounds.
  温度变化缓慢，而且局限在相对较小的范围内。
• The time when a solar eclipse will occur can be calculated.
  日食发生的时间可以推算出来。
• If headaches only occur at night, lack of fresh air and oxygen is often the cause
  如果只是在晚上头疼，那常常是由于缺乏新鲜空气和氧气的缘故。
• Dryness at the roots can occur very easily specially when plants are grown in containers.
  根部很容易干枯，特别是当植株被种养在盆中时。
• Ulcers occur when the stomach's natural acids eat into the lining of the stomach.
  胃酸侵蚀胃内壁引发溃疡。
• High levels of nitrate occur in eastern England because of the heavy use of fertilizers.
  英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。
• Although it is predominantly a teenage problem, acne can occur in early childhood
  虽然粉刺多发于青少年时期，但也可能在刚进入童年时期就出现。