Respirators may help protect your lungs, however, some biological contaminants may be absorbed through the skin or eyes and other protective equipment may be required.

防护口罩虽可帮助保护你的肺，但有些有害微生物会经过皮肤或眼睛吸收，你还需要其它的防护设备。

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Contaminated central air handling systems can become breeding grounds for mold, mildew, and other sources of biological contaminants and can then distribute these contaminants through the home.

污染物中央空气处理系统能够成为模子、霉菌和其它生物污染源的饲养地，并且能够通过房间将这些污染物排出。

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But security experts say it contains biological and chemical sensor technology, video, wireless communications, and computer software to simulate the spread of potential contaminants.

但安全专家说，它包括了生物和化学传感器技术、视频、无线通信，以及模拟潜在污染物蔓延的计算机软件。

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