英语词汇unthinkable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	unthinkable
词根词缀	Online Etymology Dictionary unthinkable adj. early 15c., "too large to be conceived, unimaginable," from un-(1) "not" + think, v. + -able. Meaning "incapable of being framed by thought" is recorded from mid-15c.
随便看	well-spoken wellspring spectrogram spectrograph spectrometer spectroscope spectrum spect, speci, spec(spic, spi, spy) spect, spic specular speculate speculation speculative speculator speculum sped speech speechify speechless speed speeder speeding Speedo speedometer speed-trap

英语词根词缀词典收录了54763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。