firstly

英 [ˈfɜːstli]

美 [ˈfɜːrstli]

adv.  (用于列举)第一，首先

Collins.1 / BNC.3974 / COCA.20778

牛津词典

adv.

• （用于列举）第一，首先
  used to introduce the first of a list of points you want to make in a speech or piece of writing
  1. There are two reasons for this decision: firstly…
     做此决定理由有二：第一…

柯林斯词典

• ADV 首先;第一
  You usefirstlyin speech or writing when you want to give a reason, make a point, or mention an item that will be followed by others connected with it.
  1. The programme is now seven years behind schedule as a result, firstly of increased costs, then of technical problems...
     该项目现已经比预定时间晚了7年，原因首先是因为成本增加，其次是由于技术问题。
  2. Vitamin C has many roles to play in weight control. Firstly, it is needed for hormone production.
     维生素C在控制体重方面扮演着多重角色。首先，荷尔蒙的生成有赖于它。

英英释义

adv

• before anything else
  1. first we must consider the garter snake
  Synonym:firstforemostfirst of allfirst off

双语例句

• This paper firstly reviewed the development status of biodegradable engine oil at home and abroad.
  本文介绍了国内外可生物降解润滑油的发展状况和技术趋势。
• This paper firstly studies the nature of multi-regional CGE models and reviews relevant studies in such models.
  首先对多区域CGE模型进行了界定，并对多区域CGE模型的相关研究进行了回顾。
• Firstly, they must make certain that their pension needs are adequately catered for
  首先，他们得确保他们能获得足够的养老金。
• Firstly, the paper expounds the background and significance of this subject;
  本论文首先论述了选题的背景和意义；
• Firstly, AMDB data source, format and modeling methodology were analyzed.
  首先分析了AMDB数据的来源、格式与建模方法；
• In this paper, I firstly analyze the joint-stock commercial banks in domestic construction of Culture status.
  本文首先分析了国内股份制商业银行企业文化建设的现状。
• The definition of directivity factor, directivity index& equation are introduced firstly.
  介绍了指向性因数和指向性指数的定义、计算式。
• In this paper firstly the corona pulse current is theoretically researched;
  首先对电晕脉冲电流进行了理论研究；
• Firstly, it summarizes and defines the basic contents of the education steering system.
  首先，对教育督导运行体系中的基本内容进行了概述和界定。
• This paper firstly introduced the structure of the wind turbine and its converter, and analyzed causes of converters'faults.
  首先介绍了风力机及其变频器系统的结构，分析了变频器的故障机理。