All this wet air is pulled in by a high pressure area over the Indian Ocean and a low pressure area to the south.

在印度洋上空，这潮湿的海洋空气被扯进高压区，并向南移向低压区。

youdao

The snow signalled the arrival of a front, and a high-pressure area seemed to be settling in.

降雪标志了一个锋面的到来，一个高压区似乎正在进入本地。

《柯林斯英汉双解大词典》

As the gas expands rapidly in the surrounding area, it creates a temporary vacuum in the middle which determines a high-pressure implosion.

当气体在周围迅速扩张的时候，中间区域就会出现暂时的真空，而这造成了高压力的内爆。

youdao

All this wet air is pulled in by a high pressure area over the Indian Ocean and a low pressure area to the south.

VOA: special.2010.05.25

Usually, the prevailing south-westerly wind would take the ash cloud away from Europe and over the polar region, but a high-pressure area is bringing it over Europe, where it is sitting and barely moving as the ash spreads.

BBC: Volcano cloud threatens Formula 1 preparations

National Weather Service meteorologist "Skip" Ely said the dry pattern is caused by a persistent area of high pressure that has dominated North Texas weather since the end of June, blocking normal moisture flows across the South.

CNN: U.S. pledges help for Texas farmers hit by record drought