He is on loan to the Foreign Languages Press.他借调到外文出版社工作去了.Many of these are on display in the Museum, but some have been sent out on loan to other museums.其中很多在博物馆展出，但也有一些借给了其他博物馆。She has a piano on loan from her friend...
杂原子数越多, 分子被氧化的程度越高.The larger the number of heteroatoms, the more highly oxidized the molecule.关键反应为底物控制的不对称杂原子共轭加成反应.The key step was a substrate controlled asymmetric heteroatom conjugated addition.杂原子烯反应是该反应的重要组成部分.Th...