His moodiness may have been caused by his poor health.

他的喜怒无常可能是身体欠佳所致。

The drop was caused partly by the pound's strength against the dollar.

下降的部分原因在于英镑对美元的升值。

Overproduction and consequent low market prices for wine caused economic tremors.

葡萄酒生产过剩及由此造成的市价低迷引起了经济波动。

Several of the delays were caused by the new high-tech baggage system.

几次延误都是由新的高科技行李传送系统造成的。

The sudden onset of winter caused havoc with rail and air transport.

冬天的突然降临让铁路和航空运输系统陷入混乱。

There were also several accidents mainly caused by engine failures on take-off.

还有几次事故主要是起飞时引擎出现故障造成的。

This caused a few gasps, as well it might.

这毫不奇怪地引得一些人倒吸凉气。

There are wide variations caused by different academic programme structures.

不同的教学项目结构造成了巨大的差异。

This message caused perturbation in the Middle East Headquarters.

这则消息在中东总部引起了不安。

A surprising number of ailments are caused by unsuspected environmental factors.

有大量疾病是由不明环境因素造成的。

Shoppers picked their way through puddles caused by persistent rain.

购物的人们小心翼翼地择路避开由于连续下雨形成的水坑。

Flooding was caused by water gushing into rivers from uplands.

从山地奔流而下的水涌入河中引发了洪水。

The somewhat acid flavour is caused by the presence of lactic acid.

这种微酸的味道是因为含有乳酸造成的。

The accident was caused by people slowing down to rubber-neck.

事故是由为了看热闹而减速的人引起的。

In a strange way, his affair caused our relationship to strengthen.

奇怪的是，他的婚外恋倒使我们之间的关系更加紧密了。