a flag一面旗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 musical docu-tragi-comedy.这是一部音乐记录悲喜剧。A caddy retracted his statement.一个球童收回了他的话。a masterpiece of Elizabethan drama伊丽莎白时代的戏剧杰作A Collection of Heartbroken VersesA hot weather deteriorates milk.炎热天气会使牛奶变质。A senseless ruction over trivia.为区区小事的无意义争吵A simple periscope uses mirrors.简单的潜望镜使用平面镜。a prosperous-looking businessman看来事业有成的商人.a long loud emotional utterance.带有感情的长长的大叫。a military/nuclear installation军事/核设施