firstly的意思是：adv.第一；首先。firstly的英英释义是Adverb:before anything else;"first we must consider the garter snake"。firstly的读音是英['f??stli]；美['f??rstli]。
一、英英释义点此查看firstly的详细内容
"first we must consider the garter snake"
二、词典解释
1.首先;第一
You usefirstly in 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.
e.g. 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。
e.g. 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。
三、例句
Firstly, state sovereignty is inseparable.
第一，国家主权不可分割。
Firstly,China should have a development program for young fencers.
第一，中国应有一项培养少年儿童击剑运动员的发展计划。
Firstly, let us deal with the most important issue.
首先让我们来处理最紧要的问题。
Firstly, let me tell you why he is a real father.
首先，让我告诉你他为什么是一个真正的父亲。
firstly的相关近义词
first of all、first、to start with、initially、at the outset、to begin with、primarily、originally、first off、foremost
firstly的相关反义词
firstly的相关临近词
firth、first、firstly mount、firstly current、firstly discovered、firstly occurring strong earthquake、firstly upsetting and lastly braking