occurred

We need to know the exact time the incident occurred .

我们需要了解事情发生的确切时间。

The prosecution stated that intercourse had occurred on several occasions .

控诉方称发生过数次性交。

These changes have occurred over a long time span .

这些变化经过了很长一段时间才形成。

The idea occurred to him in a dream .

这个主意是他在梦中想到的。

The department denies responsibility for what occurred .

这个部门拒绝为所发生的事承担责任。

When exactly did the incident occur ?

这一事件究竟是什么时候发生的？

The robbery occurred in broad daylight , in a crowded street .

抢劫就发生在光天化日之下的一条熙熙攘攘的街道上。

Rattlesnakes occur in the warmer , drier parts of North America .

响尾蛇出现在北美温暖干燥的地区。

Something unexpected occurred .

发生了一件出乎意料的事。

The murder occurred just a block from the precinct .

谋杀案就发生在和警察分局相隔一条街的地方。

There will come a time when the crisis will occur .

危机总有一天会爆发。

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。

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。

No one has suggested how this might occur

没人说得清这事是怎么发生的。

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。

Emergency cooling systems could fail and a reactor meltdown could occur .

紧急冷却系统有可能失灵，核反应堆有可能发生堆芯熔毁。

About two in every five epileptic fits occur during sleep

每5例癫痫病中约有两例是在睡眠过程中发作的。

Another unexpected event , though of quite a different order , occurred one evening in 1973

1973年的一个夜晚，又发生了一件始料未及的事情，不过这两件事完全不同。

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。

Most of the damage that 's occurred was simply because of fallen trees

目前大部分损坏都是因为倒下的树木造成的。

The time frame within which all this occurred was from September 1985 to March 1986

这一切发生的时间范围是1985年9月到1986年3月。

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。

I have known dramatic changes occur in the space of a few minutes with this method .

我知道用这种方法短短几分钟之内就能够产生急剧的变化。

Events of this description occurred daily .

这类事件天天发生。

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。

If these drugs are stopped abruptly then some withdrawal symptoms may occur .

如果突然停服这些药，则可能出现一些戒断症状。

It 's thought that the blast occurred when volatile chemicals exploded .

人们认为，易挥发的化学物质爆炸时产生了冲击波。

The same idea had occurred to Elizabeth .

伊丽莎白也想到了这个主意。

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。

Mr King asked if it had ever occurred to her to make provision for her own pension

金先生问她是否曾想过要为自己的养老金预先作安排。