A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells. 一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。
在很多情况下,这种 ” 阴性 ” 词是利用加词尾-ess而构成的.In many cases this " feminine " word is made by adding - ess.英语大多数动词过去式词尾均变化为 -ed 的形式.Most English verbs are inflected with ` - ed'in the past tense.拉丁语比英语词尾变化多.Latin is a more infle...
那两个电子既不算作给予体的,也不是接受体的.Both electrons don't count for the donor and neither for the recipient.我们通常把电子给予体看作生物体的 “ 食物 ”.Generally we think of the electron donor as being the " food " for the organism....
He was prompted to a rare outburst of feeling.他被惹得情绪非常激动，这很少见。"Go on," the therapist prompted him.“接着说，”医生鼓励他道。So what prompted him to enter the ministry?那么，是什么促使他成为牧师的呢？...
It would be presumptuous to judge what the outcome will be.现在就判断结果将会怎样未免有些冒昧。It is too presumptuous of him to do so.他这样做太放肆了.It was presumptuous of him to take charge.他自拿主张,太放肆了....