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

• 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；
• Firstly, the background and applications of PP-WAPs are introduced in this paper.
  本文首先介绍了相关背景和PP-WAP的应用领域。
• 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。
• Firstly, this part reviews the background and process of the formation of WTO dispute settlement mechanism.
  首先，回顾了WTO争端解决机制的形成背景和过程。
• Firstly, the overall design of the micro-irrigation system and the system overall framework are given.
  首先对微灌系统进行了总体设计，给出了系统总体架构；
• 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。
• Firstly, I was unknowingly gradually mature and sensible of;
  其一，我在不知不觉中逐渐的成熟了，懂事了；
• Firstly, we study the properties of these auxiliary functions.
  我们首先研究了这几个辅助函数的性质。
• 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。