firstly
其一───firstly
No, firstly, I am superman.───不，首先，我是超人。
It makes you look firstly at how you're treated and secondly how you treat everybody else.───它让你首先看别人怎样对待你，其次看你怎样对待别人。
There are two reasons for this decision: firstly...───此决定理由有二：第一…
This article firstly described the market structure theory and marketing theory briefly, as well as the relationship between them.───本文将首先简要阐述市场结构理论和市场营销理论的内涵，以及二者之间的关系。
Firstly, the paper describes the concept of knowledge representation and a variety of knowledge representation.───阐述知识表示的概念，介绍各种知识表示方法。
Firstly, the general mathematical model with its superposition solution was constructed based on the common characteristics of this system.───基于这个系统的共同特征，构造了这类“非常规”的通用数学模型及其迭加解法。
You should gather yourself together firstly under conditions of great danger.