英语词汇first stage catalyst怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	first stage catalyst
释义	the first stage— 第一个层次 stage n — 阶段 n • 期 n • 台 n • 场 n • 层次 n • 政治舞台 n • 舞台 n catalyst n — 催化 n • 催化剂 n • 诱因 n first adj — 第一 adj • 前 adj • 先 adj • 首先 adj • 初 adj • 第一次 adj • 元 adj • 一次 adj • 首次 adj • 在先 adj • 最初 adj • 初次 adj • 头 adj • 原始 adj • 魁首 adj stage v — 组织上演 v catalyst — 触媒
随便看	began to take effect began to take off began to take root began to think began to unfold began to unravel began to visit began tracking began trading began training began using began welcoming began with began with a Bang began with a bang began with a man began working began working with began worldwide be gaping be gapped beg a question be garanteed be gated be gathered and taken to the threshing ground

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

the first stage—