A bomb原子弹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 study of sociolinguistic issues社会语言学研究a soft partly suppressed laugh.柔和的部分被压制的笑声。a dutiful daughter/son/wife孝顺的女儿/儿子；贤惠的妻子A fairly typical case happened.出现了相当典型的例子。a unionized workforce/industry加入工会的劳动人口/行业A Research on Goodwill Accounting关于商誉会计问题的探讨A police officer's credit recordsa casual attitude toward drugs.对毒品的听任态度a dissertation that lacks harmony一篇论点不协调的论文a rolling-stone gathers no moss滚石无苔