They poisoned rats in the city's sewers.

他们用药毒死城市下水道的老鼠。

They came out of the gutters and sewers in droves.

他们成群结队地从排水沟和下水道中跑出。

Hundreds of thousands of Indians from the socially disadvantaged Dalit groups are employed in cleaning underground sewers.

数十万来自达丽特的社会弱势群体被雇用来清理地下污水渠。

Mosquitoes spreading viruses is still a problem in Manaus, due to the many open sewers and cesspits.

蚊子传播病毒仍然是马瑙斯的一个问题，因为有很多露天的下水道和污水坑。

Like in Victorian times before the invention of modern sewers and sanitation.

就像现代下水道和卫生设施发明之前的维多利亚时代。

Today, we're going to talk about tracking COVID through the sewers…

今天我们要讨论通过下水道追踪新冠病毒。

It couldn't have been easy keeping that sewer gator under wraps.

同志们真是辛苦了，不让下水道鳄鱼新闻流出，造成恐慌。

Which eats away at concrete. The result: crumbling sewers.

硫酸有侵蚀混泥土的作用，使得下水道破碎不堪。

The new models can navigate water, move on ice, climb fences, even maneuver through sewers.

新型模型可以在水上导航，在冰上航行，能够攀爬围栏，甚至在下水道也能进行操纵。

That right now is the open sewer for our industrial civilization as it's currently organized.

照现在的情况来看，天空现在是我们工业文明的公共排污厂。