He accused President Carter of vacillation and retreat.他指责卡特总统的动摇和退缩。Vacillation is the cause of his failure.优柔寡断是他失败的原因.His constant vacillation made him an unfit administrator.他经常优柔寡断,这使他不适合当行政官员....
采用二甘醇作为加合物的分解剂,得到了二元酸.Diacid has been got using diethylene glycol as decomposition agent of adduct.ADA的 两种主要加合物的生成、分布和清除以及它们与AFB1致癌作用的关系也作了讨论.The correlation of the two ADAs with AFB 1 induced carcinogenesis was also dis...
My pension has plummeted and now I have to buy an annuity.我的退休金暴跌,现在必须去买一份年金(annuity)了.Alexander receives a small annuity.亚历山大获得了一份数额不大的年金.Investors should consider putting some money into an annuity.投资者们应当考虑存一些年金。Invest...