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

• Calamity occurs in successive years.
  灾祸连年。
• 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。
• In the Chinese calendar, the Spring Equinox always occurs in the second month.
  在中国历法中，春分总是出现在2月。
• It occurs in elderly men, apparently as part of the ageing process
  这种情况出现在老年人当中，显然是衰老过程的一部分。
• Her birthday occurs on July 4.
  她的生日是7月4日。
• 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。
• This bacterial decay of cellulose also occurs in the gut of most herbivorous animals.
  在很多食草动物的肠内这种纤维素也能被细菌分解。
• 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。
• Hematopoiesis of the other blood elements occurs in the fetal spleen.
  其他血液成分的生成发生在胎儿脾脏。