Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation. 通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精.
Their four children turn cartwheels in the grass as we talk.我们说话的时候，他们家的4个孩子在草地上玩侧手翻。They were still doing wild acrobatics in the yard, turning somersaults and cartwheels.他们还在院子里一通杂耍，翻着跟头，玩着侧手翻。In a comedian in military ...
在主要的候选人中，只有加维里亚一人坚决表示要继续打击药品同业联盟。Alone among the major candidates, Gaviria expressed a determination to continue the campaign to defeat the drugs cartels.教师同业们声称待遇太差.The teaching profession claim that they are badly paid...