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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

    双语例句