aotou包头市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 couple of books.几本书。A mop of unruly hair一团乱糟糟的头发a box at the theatre戏院的包厢a paralysis of trade贸易停顿a perpetual nuisance不断麻烦的人A savings account.定期储蓄账户。A consummate bore.一个十足的讨人嫌a strong single hail强单体a case investigation个案侦查a decisive influence决定性的影响