相关单词近義詞 first of all 首先, first 第一的to start with, 首先, initially 最初, at the outset 一開始, to begin with 首先, primarily 主要地, originally 原本, first off 首先, foremost 最重要的反義詞lastly, 最後臨近詞firth, first, firstly mount, firstly current, firstly discovered, Firstly he was a father., Firstly let's learn about nouns., firstly occurring strong earthquake, firstly upsetting and lastly braking相似詞first-wave, first-world problem, firstborn, firsthand, firth, fisc, fiscal, fiscal year, 返回 firstly