Somehow the entire source of Nuronium has been irreversibly compromised.

全部的“锘”来源被不可逆地污染。

Meanwhile, both marine construction and pollution dramatically increase the surface area for jellyfish polyps to attach, grow, and mature.

同时，海洋建设和污染极大地增加水母息肉附着、生长和成熟的表面积。

Corporations free to pollute your air and water.

企业可以自由地污染您的空气和水。

Wales has introduced special low speed limits to minimise pollution.

威尔士引殊的低速限制以最大程度地减少污染。

Officials say the pollution results from the burning of peat lands and other wildfires combined with autumn temperature fluctuations.

官员称，污染是由泥炭地燃烧、其他野火以气温波动造成的。

And third, the uneven pattern of otter decline is better explained by the orca predation theory than by the pollution theory.

第三， 虎鲸捕食理论比污染理论更好地解释水獭减少的不均衡模式。

When scientist Alexander Fleming mistakenly contaminated a Petri dish in the lab, it led to the discovery of the first antibiotic, penicillin.

当科学家亚历山大· 弗莱明 ( Alexander Fleming)错误地污染实验室中的培养皿时，导致第一种抗生素青霉素的发现。

Further, Mexico City is located within a high valley that's surrounded by tall mountains which effectively keeps pollutants and exhaust trapped within without any place to go.

此外，墨西哥城位于一个被高山环绕的高山谷中，这有效地将污染物和废气困在里面，无处可去。

Under the EU emissions-trading system, they are currently awarded 80% of their allowances for CO2 emissions free of charge in order to remain competitive with dirtier producers in places like China and India.

在欧盟排放交易体系下，他们目前免费获得 80% 的二氧化碳排放配额， 以保持与中国和印度等地污染较严重的生产商的竞争力。