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。
• 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；
• 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, 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。
• In this paper, the basic flows of ecological environmental data organization and management have been discussed firstly.
  本文首先探讨了生态环境数据组织管理的基本流程。
• 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。
• You need, firstly, a strong independent board of directors and secondly, an experienced and dedicated staff.
  你首先需要一个强大的独立董事会，其次需要一批富有经验并且爱岗敬业的员工。
• This paper analyzes three main points: firstly, multiplexer can accomplish general AND-OR logic function;
  本文分析了数据选择器可实现一般与或逻辑函数；
• 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。
• Firstly, I set an overview of the history of our country and stamp duty on the International Comparison.
  首先，概述了我国印花税的历史并进行国际比较。