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 motorcade whirred by.一列车队呼啸而过。a brightly polished metal磨得很亮的金属A fragrance greeted us.香味扑鼻。a strong desire for power强烈的权力欲A picture lit sideways.一幅在灯光斜照下的照片。A swollenpart or organ.肿胀的部位或器官。A. philoxeroides Griseb空心莲子草a merry drinking party.一种愉快的饮酒聚会。A model of spinning wheel纺车模型a hopeless case.hopeful毫无希望的案子