- firstly
 - ['fə:stli]
 - adv. 首先(主要用于列举条目、论点时);第一
 
同义词
           
       参考例子
           - 1.Who is the scientist firstly find radium?
 - 首先发现镭的科学家是谁?
 
- 2.Now we firstly discuss the infection phase.
 - 首先,我们先来讨论感染阶段。
 
- 3.Firstly, no accomplishment can be achieved in a short time, and success asks for continuous industrious work and efforts.
 - 第一,没有任何成就是可以在短时间内达到的,而是需要持续的勤奋工作和努力。
 
英文解释
           - adv.
 - 1.before anything else
 
网络释义
               - firstly
 - 首先; 第一; 首先,第一; 第一,首先;
 
- I firstly learn to appreciate
 - 先练习去欣赏;
 
- first firstly number one primacy primo
 - 第一;