It's early morning at the end of a long, hot summer. Even major rivers are beginning to run low.

现在正处于清晨，漫长炎热夏季即将结束。即使是主河也开始放缓。

The delivery is definitely a little bit faster.

在饮用时，酒液也会稍快一些。

Exercise helps you grow brain cells and improves blood flow in the brain.

运动可以帮助脑细胞发育，同时加快血液。

But the Everglades is actually a river, the widest and slowest in the country.

但大沼泽地其实是一条河，是这个国家最宽且最慢河。

And as the oceans heat up, the great conveyor belt is slowing down.

随着海温，大输送带也会变缓。

His blood pumped faster, and just before he was about to yell, he sighed.

他血液加快了，而就在他要喊出来时候，他叹了口。

As the land flattens out, rivers slow down and lose their destructive power.

由于地势平坦，河水变慢，没有了原来破坏力。

In certain localities its current moves at a speed of four kilometers per hour.

在某些地方，暖是每小时4公里。

They are good swimmers capable of traversing wide rivers and rapids.

白唇鹿善于游泳，能渡过湍急宽阔水面。

We have echo sounders to detect zooplankton and fish, acoustic Doppler current profilers for measuring the currents in the water, wet-lab fluorometers for measuring chlorophyll and organic matter, and a few other specialist sensors as well.

我们可以通过探测仪来检测浮游生物和鱼类，并通过声学多普勒剖面仪来测量水下，通过荧光检测仪检测叶绿素和有机物，以及使用其他专业传感器进行检测。

They have also built stone weirs across these canals at regular intervals, to slow the current down still further and encourage water to spill over the canal banks.

他们还在渠道上一定位置建上了石堰堤，这样做一方面可以降低水，另一方面还可以使水溢出堰堤。

Typically, blood continuously flows smoothly through the blood vessel, but if the blood flow becomes turbulent, the linear flow is disrupted and slow or static pockets of blood are formed.

通常血在血管中以层形式动，但是如果血形式变成湍，而层模式被打破，血就会减慢甚至瘀滞。

But here's a problem: Your kidneys can only handle so much filtrate at a time, so they have to maintain a constant rate of flow inside of them.

你肾脏一次只能处理这么多滤液，所以它们必须保持体内恒定。

Imagine I was to decide to jump into the river just there, on the edge of the falls, the water is flowing far faster than I could swim.

如果我从这儿跳进河里在瀑布上方河边缘，河水远远大于我游泳度。

A weakness in the rock can allow the river to increase its gradient and flow-rate, providing a real challenge for the cave explorers.

岩石薄弱之处可以让河水增加坡度和，为洞穴探险带来相当挑战。

Because if you kept the resistance the same you'd have to grind your 18 grams much much coarser to have a similar flow rate.

因为如果您保持相同阻力，您必须将18克磨得更粗，才能获得相似。

Arteries and veins in the brain dilate to speed up blood flow, but our smallest blood vessels, called capillaries, remain the same size.

大脑里动脉和静脉都会膨胀以加快血液，但我们最小血管，也就是毛细血管，仍然保持原状。

As it enters Southeast Asia, its pace slows. It makes wide bends or meanders through low valleys to the plains where rice grows.

河水也变成了黄褐色。而当它进入东南亚以后，减慢，河水变宽慢慢地穿过低谷，到了长着稻谷平原。

The idea is that these reefs form dense places that force water through nooks and crannies that slow it down.

利用牡蛎礁形成了一片片密集区域，迫使水从凹陷和缝隙中过，从而降低。

Also, your heart rate goes a bit up, making your blood pump faster and boosting your further performance.

同时，你心率会上，这样会加快血液，并进一步提高运动表现。