It’s a crucial if temporarily backward step.

这是水暂时性回流的重要步。

But it's not pure seawater that comes back out.

但回流出来的并不是纯海水。

Increased blood flow to the brain is helpful.

增加血液回流大脑是有益的。

Breathing is one of the mechanisms that facilitate venous return.

呼吸是促进静脉回流的机制之。

Another development to watch is the rise of nearshoring and reshoring.

另个值得关注的发展是近岸外包和回流的兴起。

After analyzing, we found that the soldering temperature in the reflow oven was not stable.

经过分析，我们发现回流炉中的焊接温度不稳定。

Eventually, the blood in the venous sinuses drains into the internal jugular vein and returns to the heart.

最终，静脉窦中的血流回流至颈内静脉，回流至心脏。

Finally, we will make it easier for companies to bring back trillions of dollars that they are now keeping overseas.

最后，我们将使企业数万亿海外资金的回流更加容易。

Too languid to sting, he had the more venom refluent in his blood.

无法刺痛，他的血液中有更多的毒液回流。

What is more, the repatriation of profits by American firms would draw resources away from their subsidiaries abroad.

更为重要的是，美国企业的利润回流会将各种资源抽离它们的海外分公司。

There he leant over the wall and lowered the lamp, only to behold the vortex formed at the curl of the returning current.

然后他在岸墙上俯身探望，把灯放低，但只能看回流的浪卷形成的漩涡。

Before they had crossed halfway, the water returned in a wave higher than anyone had ever seen, drowning the attackers.

士兵们还没走，高过以往见过的回流水波就淹死了这些进攻者。

Some of the material was carried in by seawater pouring back into the crater from the surrounding Gulf of Mexico.

些物质由从墨西哥湾附近回流巨坑中的海水所携带。

Along with the trapped gas that's pumped up to the surface, millions of gallons of flow-back liquid come gushing up.

随着被泵送地表的被困气体，数百万加仑的回流液体涌了上来。

Like you kind of scrape the bottom of your pan, you can also see how quickly the water pools back into place.

就像您刮擦锅底样，您还可以看水池回流的速度有多快。

And the rate at which veins return blood back to the atria is called venus return, which is pretty easy to remember, right?

静脉血回流心房的速度叫做静脉回心血量，这个很容易记。

It can cause the blood to run back into your throat, which can affect your breathing and might end up in your stomach.

这会导致血液回流你的喉咙，从而影响你的呼吸，并可能最终进入你的胃部。

The migration of dairy farmers to the north then spread it further, which probably pushed back populations there that didn't have the trait.

奶农向北方迁移，然后进步扩散，这很可能使那里没有特质的人口回流。

So if a river floods, and then the water recedes, the water goes away from the places where it shouldn't have been back into the river.

因此，如果河流泛滥， 然后水退去，水就会从不应该回流的地方流走。

Normally, blood makes it back to the heart from all of the tissues and organs through a network of veins that merge over and over.

正常情况下，人体所有组织器官的血流回流至心脏都是通过不断汇的静脉统完成的。