That difference made the ball curve towards the lower pressure zone.

压力差让球朝向低压区转弯。

You have tropical depressions, tropical storms.

有热带低压和热带风暴。

These winds spin around a low-pressure center called the eye.

这些风围绕着一个叫做“风眼”的低压中心旋转。

It's a low-pressure system that's basically locked into the North Pole.

它是一个低压系统，基本锁定在北极内。

Following the flow of wind means that they're always heading toward areas of low pressure.

随着风向迁徙，意味着它们总是飞向低压地区。

And in contrast, veins are usually high volume, low pressure vessels.

，静脉通常是体积大、承受低压。

Low pressure from the north meets moist air near Hawaii.

来自北方的低压在夏威夷附近与潮湿的空气遇。

Hagupit has been downgraded to a tropical depression as it's leaving the region.

“黑格”减弱为热带低压，离开该地区。

And the casualties of low-pressure fronts simply move on-gingerly.

低压锋过境造成的伤亡人数持续增加，请小心。

But due to the presence of low-pressure zones, these winds follow a circular path.

但是由于低压区的存在，这些风沿着一个圆形的路径。

So when we're harvesting geoduck, we use low pressure, high volume water.

因此，当我们收获象拔蚌时，我们使用的是低压大容量水。

How's his blood pressure? -It's, uh, still dropping. 82 over 40.

他的血压怎么样？- 还在降，高压82，低压40。

When tropical cyclone is an area of low pressure that forms in the tropical regions of the world.

热带气旋是在热带地区出现形成的低压带。

In other words, the low-pressure region acts like a vacuum!

换句话说，低压区就像吸尘器一样把血液“吸”过来了！

However, the study defined high blood pressure as 140 over 90.

然而，该研究将高血压的标准定为高压140，低压90。

The center of the depression is over central South Carolina and moving west.

目前，低压中心正位于南卡罗来纳州中部上空，并将向西移动。

One of the things that fluids always do is move from areas of high pressure to low pressure.

流体经常做的一件事就是从高压区移动到低压区。

You have tropical depressions, tropical storms and one's that are strong enough to become a hurricane UF 5 categories.

包括热带低压、热带风暴，甚至强烈的5级飓风。

A tragedy has been caused by a tropical depression which brought days of heavy rain in several provinces.

这场悲剧是由热带低压引起的，给几个省份带来了连日大雨。

The bottom, called diastolic, is a measure of the resistance to the blood flow in the body's blood vessels.

而低压（舒张压）是人体血管中血流阻力的测量方法。