formal

He kept the tone of the letter formal and businesslike..他使这封信保持正式公文的语气。

formal education,正规教育；形式教育

record of formal schooling,学历

formal description,形式描述

formal training,正规训练；形式练习；正式训练

formal language,形式语言

formal analysis,形式分析

formal definition,形式定义；[计]形式语义

formal logic,形式逻辑

formal system,形式系统

formal party,正式聚会，正式的欢迎会

formal contract,正式合同；流通票据（可转让的票据）；要式合同

formal dress,n. 礼服

formal model,形式模型

formal organization,正规的组织

formal verification,形式验证，形式证明

formal invitation,正式请柬；正式邀请函

formal parameter,[计]形式参数

formal style,正式（文）体；正式语体

formal theory,形式理论

formal agreement,正式协议

真题例句...the agreement specifies that there is no formal distinction between developed and developing nations in their responsibility to cut emissions...第二套CET62016.12阅读理解

真题例句...I’d rather not make it something formal and structured...第二套CET62012.12听力题