Both the R groups are alkoxy residues.两个R基团都是烷氧基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基....
Does that enter into the cost of the ticket?票价中包括这项 吗 ?He was quite willing to enter into conversation with her.他很乐意同她攀谈.China will not enter into alliance with any big power.中国不同任何大国结盟....
她醒来会发现加斯顿安详地睡在她身旁吗?Would she wake to find Gaston sleeping peacefully at her side?她的脸色虽然悲伤, 但仍使人感觉安详.Her face, though sad, still evoked a feeling of serenity.他安详地去世了.He passed away peacefully....