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。
• 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。
• Virtually all surface and near-surface terrestrial water occurs and moves as part of a single vast hydrologic system.
  实质上，所有地表水和接近地表的水是作为一个单一的大水文体系的一部分而存在和运动的。
• If a crime occurs then there is, ipso facto, a guilty party.
  如果犯罪发生了，那么根据事实本身，就会有有罪的一方。
• Condensation occurs when the supersaturation is positive.
  当过饱和是正值时，则出现凝结。
• The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
  人的大脑缺氧4分钟后便会造成永久性损伤。
• 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。
• Anaerobic respiration occurs only in particularly active tissues such as muscles during severe exercise.
  厌氧呼吸只有在处于剧烈运动状态的肌肉等特别活跃的组织中才会发生。
• 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。
• 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。