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1·A burglary occurs every three minutes in London.

入室盗窃案在伦敦每3分钟就发生一起。《柯林斯英汉双解大词典》

2·At least one supernova occurs per decade in our galaxy.

每十年至少有一颗超新星在我们的银河系中出现。《柯林斯英汉双解大词典》

3·Conception occurs when a single sperm fuses with an egg.

当一个精子和一个卵子结合时受孕就发生了。《柯林斯英汉双解大词典》

4·If a crime occurs then there is, ipso facto, a guilty party.

如果有罪行发生，那么根据事实，这是有罪的一方。《柯林斯英汉双解大词典》

5·It occurs in elderly men, apparently as part of the aging process.

作为衰老进程的一部分，它明显发生在老年男性身上。《柯林斯英汉双解大词典》

6·In the Chinese calendar, the Spring Equinox always occurs in the second month.

在中国历法中，春分总是出现在二月份。《柯林斯英汉双解大词典》

7·It often occurs among commuters.

它经常发生在通勤者中。

8·What can you do if an eye injury occurs?

如果发生眼外伤，你会怎么办？

9·When this occurs, the prey population can rebound.

当这种情况发生时，猎物的数量就会反弹。

10·This recognition occurs around their second birthday.

这种认识发生在他们两岁生日前后。

重现

1·A colossal explosion occurs, sending newly forged, heavier elements into space.

一个巨大的爆炸重现，并且以新的方式锻造，比较重的元素在宇宙中产生了。

2·The second parameter, this, is a self-reference to the source object from where the logging of the trace exception occurs.

第二个参数 this 是对源对象的自引用，在这个源对象中跟踪异常的纪录得以重现。

(1)occur as以...的形式出现

(1)occur for发生在…时候