Buchanan has never held elective office.布坎南从未就任过经选举产生的职位。Is it nominative or elective?提名呢还是选举?Most of the students of our class take Japanese as an elective course.我们班大部分同学选修日语....
They discussed whether patients should have to pay for all elective surgery.他们对病人是否应该支付所有非必需手术的费用进行了讨论。Most of the students of our class take Japanese as an elective course.我们班大部分同学选修日语.He used elective system, replacing...
牛群在湿地上吃草。Cows were grazing on the marshes.她赶着牛群穿过荒野.She drove the herd of cattle through the wilderness.他精心照料着牛群,不使它们瘦下来.He took care to keep the cattle from falling off....
其金属取代物能和环戊酮顺利地反应得到40.Its metallation and addition to cyclopentanone proceeded well to 40.以单质碘为催化剂合成了环戊酮乙二缩酮.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料.Absorption spect...