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

• Her birthday occurs on July 4.
  她的生日是7月4日。
• 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。
• 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。
• Condensation occurs when the supersaturation is positive.
  当过饱和是正值时，则出现凝结。
• 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。
• 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。
• 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。
• 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。