Because in the hydroponic system we're recirculating water all the time.

在水培系统中，我们一直在循环用水。

They breathe recirculated air and purified water.

他们通过循环空气和净化水来维持生存环境。

For victims like E. and her sister, the trauma of the constantly recirculating photos and videos can have devastating effects.

对于E和妹妹那样的受害者而言，照片和视频不停被来回传播所造成的创伤可能带来毁灭性的影响。

That money gets recirculated in the local economies.

这笔钱在当地经济中再循环。

The cleaner the water, the more can be recirculated, and the less is needed from outside.

水越干净，可再循环的水就越多，从外部需要的水就越少。

Tanks and raceways can recirculate and filter water to prevent pollution.

水箱和水道可以对水进行再循环和过滤以防止污染。

It’s mixed in with the recirculated air in the cabin.

它与机舱内的再循环空气混合在一起。

About half of the air on most planes is filtered and recirculated over and over.

大多数飞机上大约有一半的空气经过过滤并反复循环。

So if you're in your car, hit that recirculate button.

所以，如果你在车里，请按下再循环按钮。

It makes use of a technology called " recirculating aquaculture systems" , or RAS for short (pronounced " Rass" ).

它利用了一种称为“循环水产养殖系统”的技术，简称RAS（发音为“Rass” ）。