occurs

英 [əˈkɜːz]

美 [əˈkɜːrz]

v.  发生; 出现; 存在于; 出现在
occur的第三人称单数

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。

双语例句

• When hay fever first occurs it is often mistaken for a summer cold.
  花粉病初期常被误认为是风热感冒。
• In the case of dielectric breakdown, a different type of acceleration occurs.
  在介质击穿的情况下，出现了一种不同类型的加速。
• Many students 'error occurs because of mother-tongue interference.
  许多学生发生这种错误是由于母语的干扰。
• Calamity occurs in successive years.
  灾祸连年。
• If a problem occurs, we will call the rollback() method on the transaction object.
  如果出现了任何问题，我们将调用事务对象中的rollback（）方法。
• Conception occurs when a single sperm fuses with an egg
  受孕发生在单个精子与卵子结合的时候。
• A burglary occurs every three minutes in London
  伦敦每3分钟就会发生一起入室抢劫案。
• The regularity with which this occurs suggests that the process is genetically determined.
  这种现象出现的规律性表明这个过程是由基因决定的。
• When alkali is added to such compounds a series of proton dissociations occurs.
  当碱加到这类化合物中，将发生一系列质子离解作用。
• The cry occurs when air is brought into contact with the baby's larynx
  婴儿的喉咙接触到空气时，就会哭出来。