occur 四级雅思考研

Opportunities for learning occur spontaneously every day.

学习的机会每天都会然而然地出现。

Heavy rains occur during a summer monsoon.

暴雨出现在一个夏季季风期

Very often tragedies or near tragedies occurred.

悲剧或近乎悲剧的经常发生。

A new outbreak of smallpox occurred in 1928.

1928 年爆发了新一轮的天花。

It occurred on the morning of the fifteenth.

情发生在15号的上午。

I hope no accident has occurred to him.

我希望他没出什么。

A startling cultural transformation occurred in post-war Britain.

战后英国的文出现了令人惊讶的。

The incident occurred right before our unbelieving eyes.

故恰恰发生在我们眼前，尽管我们不敢相信己的眼睛

An explosion will probably occur at any minute.

炸弹随时可能爆炸。

Mental and physical deterioration both occur naturally with age.

随着年龄的增长，心智和体力然衰退。

The usual bipyramid-shaped parasporal bodies occur in Lepidoptera-active strains.

一般双金字塔形伴胞体形成于鳞翅目活性株。

Who was at the helm when the collision occurred?

当碰撞发生时,谁在掌舵?

Didn't it occur to you to close the window?

难道你没有想到去关窗户吗?

Police said that the blast occurred at 9 a.m.

警方说这次爆炸发生在上午九点。

When melasma occurs, melanocytes in certain areas overproduce melanin.

当发生黄褐斑，黑色素细胞在某些领域产生过量黑色素。

The word “gratitude” did not occur in his words.

“感激”两字在他的话中是见不到的。

Such disparagement of anthropomorphism occurred in the ancient world, too.

例如，凯尔特人就看不起希腊人的这种做法。

Hypnagogic hallucinations may occur in this state, especially auditory ones.

由于造梦者的而且确仍然身处梦中，这个现象被称为「假清醒」。

Signomial geometric programming(SGP)problems often occur in engineering design and management.

符号几何规划(SGP)问题经常出现在工程设计和管理中。

It occurred to him to tell the colonel of the problem.

他想起要告诉上校那个问题。