Free radicals have been implicated in cancer and many other serious diseases.游离基是罹患癌症和许多其他严重疾病的潜在原因之一。Free radicals have the ability to disrupt bodily functions.游离基能破坏身体的机能。The President is looking increasingly isolated from the whole agenda.总统似乎越来越游离于整个议程之外了。