It also generates reactive chemicals that attack the microbes from within.

它还能产生活性化学物质，这种化学物质能从内部攻击微生物。

Free radicals are highly reactive chemical entities that can damage cells.

自由基是能破坏细胞的、有高反应活性的化学实体。

In this study, the nanotubes were linked to a protein that specifically binds to nitroaromatics, which are reactive chemicals used in landmines and other explosives.

在这项研究中，纳米管与一种与硝基芳烃特异性结合的蛋白质相连， 硝基芳烃是用于地雷和其他炸药的活性化学物质。