英语词汇an active substance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	an active substance
释义	active — 活性 • 活动 • 好动 • 活泼 • 热络 • 蹦达 • 娓 • 悧 substance — 内容 • 实体 • 物体 an num — 一个 num an n — 一项 n active adj — 有源 adj
随便看	Joint Convention on the Safety of Spent Fuel Management and joint conversation joint cooperation between joint cooperation efforts joint cooperation projects Joint coordination Committee joint Coordinator joint costs Joint Council joint Council of Europe joint counterterrorism joint country strategy joint course joint covering joint creation joint credit card joint credit line joint creditor joint criminal joint crisis joint cross joint cross-border joint custodians joint custody joint customer

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。

active —