1.befaithfulto;obey忠于;遵守。2.beabsentfrom缺席,不在3.absenceormind(=beingabsent-minded)心不在焉4.absorb(=takeuptheattentionof)吸引的注意力(被动语态)beabsorbedin全神贯注于近beengrossedin;belostin;beraptin;beconcentratedon;befocusedon;becenteredon5.(be)abundantin(berichin;bewellsuppliedwith)富于,富有6.access(to)(不可数名词)能接近,进入,了解7.byaccident(=bychance,accid...