Because colorful bugs can be toxic, they often get their chemical protection from nibbling poisonous plants.

因为色彩鲜艳的昆虫常常是有毒的，它们从采食的有毒植物中获得保护自己的化学武器。

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The lot, equipped with unique filters and air-conditioning systems for protection from biological and chemical warfare, can accommodate 2, 000 beds and will be inaugurated in August 2012.

这个停放厅配备有独特的过滤器和空调系统以应对生物和化学战争，可以容纳2000张病床，预计在2012年8月能投入使用。

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While the levels of the chemical, perchlorate, have been deemed safe by the Environmental Protection Agency, some worry public health is at risk.

被检出物质——高氯酸盐，美国环保署认为它的含量在安全范围内，但是一些人士担心，公共健康处在危险之中。

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I was at Princeton from 83 to 86, got my master in chemical engineering Now i serve as the administrator of the United States Envrionment Protection Agency My engineering background is extremely important to the job i do everyday.

3-86年我在普林斯顿大学学习，取得了化学工程的硕士学位,我现在的职务是,美国环境保护署署长,我的工程学背景,对我现在的日常工作十分重要。

普林斯顿公开课 - 领导能力简介课程节选

Black Watch Regimental Sergeant Major Brian Cooper also criticised the shortage of nuclear, biological and chemical protection suits and equipment.

BBC: NEWS | UK | Scotland | Black Watch heads back to Iraq

The chemical protection suits are called MOPP gear.

CNN: Shepperd: Heat can make gear 'miserable'

In 2003, in a massive night time operation, the police raided Finsbury Park mosque and found chemical warfare protection suits, pistols, a stun gun, knives and more than 100 forged or stolen passports - all the suspected paraphernalia of jihadi training camps.

BBC: End of an era as Abu Hamza to be extradited