异菸肼是广泛用于治疗结核的药物.The drug isoniazid is widely used in the treatment of tuberculosis.这种物质很容易由甲醛和肼反应而得到.The material is readily prepared by reaction of formaldehyde and hydrazine.这种燃料的例子是一甲肼和二硼烷.Examples of such fuels are m...
Jacques Arnold has been a member of parliament since 1987...雅克·阿诺德自 1987 年以来一直是议会议员。The Prime Minister found a surprise ally today in the shape of Jacques Delors, the Commission President...首相今天发现了一个令他意外的盟友，即欧洲委员会主席雅克·德洛...
She gently explained the impossibility of a marriage between us.她有礼貌地解释了我们不能结婚的原因.He hinted at the impossibility of winding up the work in two months.他暗示要在两个月内结束这项工作是不可能的.Impossibility should never be confused with impro...