And today the whole Pacific Ocean has traces of contamination of cesium-137.

今天，整个太平洋都 受到了铯-137的。

UXO account for the bulk of explosive hazard contamination.

所以未燃爆炸弹已经成为老挝爆炸性威胁的主力。

The rate of recycling contamination more than doubled in the last decade.

在过去十年中，可回收物的比率翻了一番还多。

Animals, dangerous substances such as pesticide and workers can all contribute to contamination.

像是动物、危险物质，如杀虫剂和工人都会造成。

The EPA says one of the biggest challenges is contamination.

环境保护署表示，最大的挑战之一是。

And 3D printing cuts down on human handling, which minimizes potential contamination.

3D打印减少了人工作，最大限度地减少了潜在的。

So, tell me a little bit more about soil contamination?

跟我说说土壤问题吧。

Right now, contamination from bacteria and fungi is much more dangerous.

马上，细菌和真菌更危险。

The pellets can withstand high temperatures, contain radioactive contamination and limit the impact of accidents.

这些微粒可以耐得住高温、含有放射性，并限的影响。

If we had a spike in hand washing contaminations, what actually caused that?

如果洗手激增，这究竟是什么原因造成的呢？

Laos has lacked a comprehensive national survey of UXO contamination.

但老挝还没有对未燃爆炸弹进行过全面的国家范围的调查。

That led to meltdowns, contamination, and the complete evacuations of some Japanese towns.

结果导致核泄漏, , 日本一些城镇完全疏散。

So purity is like an original state which can be lost through contamination.

所以纯净好似一种原始状态，可以因为而丢失。

We suspect there is contamination in our fuel tanks.

564. 我们怀疑油箱里的燃油了。

The researchers found that levels of lead contamination remained fairly low in ancient Greece.

研究人员发现，古希腊的铅水平仍然相当低。

So the cow must be disemboweled to prevent contamination later on.

因此这头牛必须取走内脏，防止之后带来。

The fire erupted over the weekend in the contamination zone.

周末，大火在区燃烧起来。

It is the nation's largest, but it has been closed since February due to contamination.

它是美国最大的配方奶粉工厂，但由于问题自2月以来一直处于关闭状态。

Most of Antarctica's contamination is due to historically poor waste management.

大部分南极洲的是由于历史上糟糕的垃圾管理所致。

Our local government tour guide says contamination levels are low.

我们当地政府的导游称水平已经很低。