英语词汇preamplifier的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	preamplifier
词根词缀	词源： 1935, from pre- + amplifier. Shortened form pre-amp is attested from 1957.
随便看	observatory observe observer obsess obsessed obsession obsessive obsidian obsolesce obsolescence obsolescent obsolete obstacle obstetric obstetrician obstetrics obstinacy obstinance obstinate obstipation obstreperous obstruct obstruction obstructive obtain

英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。