15岁的丹尼从地方当局的收容所逃跑了。Fifteen-year-old Danny is on the run from a local authority home.逃跑前，她留下一张便条解释原委。Before she ran away, she left a note explaining her actions.坦迪逃跑的消息让他们所有人都无比震惊。The news of Tandy's escape had shake...
Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.M...
an obdurate miser冷酷无情的吝啬鬼Parts of the administration may be changing but others have been obdurate defenders of the status quo.政府的一些部门可能正在作出改变，但是其他部门却执意维护现状。She is of obdurate temperament, and gets angry easily.她是个左性子, 动...
绅士应该总是彬彬有礼,即便是对地位不及自己者.A gentleman should always be civil, even to his inferiors.这部歌剧不及他晚期作品娴熟。The opera lacks the polish of his later work.为什么他今年表现不及往常呢？How come he hasn't been able to be as good this year?...