需要: need; want; require; demand; ...符: tally symbol; mark记: remember; bear in mind; comm ...前后文需要元素: contextually required element前后文选项符记: contextually optional token前后文序列: contextual sequence关键词 (前后文) 排序: concordance关键词前后文: kwic (keyword in context)前后文无关的: context free前后文有关的: context-sensitive前后文内关键字: keyword in context; keyword-in-context前后文外关键字: keyword out context; keyword-out-context; kwoc前后文选项元素: contextually optional element与前后文相关的: context sensitive符记: token关键词 (前后文) 排序的程式: concordancer视前后文而定的定界符: delimiter-in-contxt限界上下文, 限界前后文: bounded context后文: postamble双语关键词前后文排序程式: bilingual concordancer双语关键词前后文排序程序: bilingual concordancer符记环: token ring前后: 1.(时间接近) around; about 春节前后 around the spring festival2.(自始至终) from start to finish; from beginning to end; altogether 这篇小说从动笔到定稿, 前后用了一年时间。 the novel took a year to write altogether, from start to finish. 他前后来过四五次。 he has been here four or five times altogether.3.(前面和后面) front and back 受到前后围攻 be attacked both front and back; be caught between two fires; 房子前后都是果树。 there are fruit trees in front and at the back of the house死后文: shigofumi: stories of last letter船级主要符号: main character of class