Ajdan艾丹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. acidoterrestris嗜酸耐热菌A classic mistake.典型的错误a connoisseur in art艺术鉴赏家a trilateral meeting三边会谈a debate on abortion关于堕胎的辩论a three-piece suit一套三件头的服装a glimmering of hope一线希望A crane is a bird.鹤是鸟。A cat has nine lives猫有九命a taste for red ties对红色领带的偏爱