a beer一杯啤酒aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a stronghold of feudalism封建堡垒A dentist draws teeth .牙医拔牙。a brink-of-war policy战争边缘政策A noncommissioned officer军士；士官a major volcanic eruption火山大爆发a multipack of cigarettes一条烟a congenital cheerfulness天生的乐天性格a test range at Chandipur昌迪普尔试验场a rupture between friends朋友间的失和a redheaded woodpecker.红头啄木鸟