unleda.UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unbiassed estimate无偏差估计量unlearned behavior非习得行为unfathomable depth不可测的深处unreason principle无因性unconfined minimum无约束极小unknowm recipients未知接收方unheating hothouse不加温温室undulating surface波状表面unclassified virus未分类的病毒unemployment grant待业救济

1. Mr. Smith said quote I will not run for governor unquote.
   史密斯先生说,引文开始,我将不竞选州长,引文结束。
2. This quote startlingly original novel unquote is both boring and badly written .
   这部所谓的‘不同凡响的小说’云云,内容既枯燥、文笔又拙劣。