Ao Ti拗体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 progressive decline逐渐衰落a mouse over left eye左眼上的肿块a round-trip ticket双程票a picturesque setting别致有趣的背景.a piece of resistance主要的, 压轴的, 出类拔萃的东西a ceremonial occasion正式场合.a cottage on the lake临湖村舍A butilon theophrasti苘麻a ball with bounce.弹力球a blow to one's pride