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....
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....
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....