她经过图书室门口时,电话响了。As she passed the library door, the telephone began to ring.他们从图书室里淘汰无用的书.They weeded out useless books from library.在聚会期间,图书室里总放着一托盘的兑了水的烈性酒.During the party there was always a grog tray in the library....
目的: 制备复合氨基酸铜螯合物.Aim : To prepare the compound amino acids chelated copper.着重介绍了聚酰胺-胺 ( PAMAM ) 树状大分子钆螯合物造影剂的性质及应用研究情况.The properties and application of polyamidoamine ( PAMAM ) dendrimer - based gadolinium agents are rev...