英语词汇unhealthy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	unhealthy
词根词缀	Online Etymology Dictionary unhealthy adj. 1590s, "injurious to health," from un-(1) "not" + healthy, adj.. Earlier unhealthsome (1540s), unhealthful (1570s). Of persons, "sickly," it is attested from 1610s. Related: Unhealthily.
随便看	radiography radioimmuno- radioisotope radiolarian radiology radiometric radiophone radio-, radi-, rad- radioscopy radiotelegram radio-telephone radiotherapy -radi-, -radio- radi-, -ray-, -rad-, -radio- radish radium radius radix Radnor radon -rad-, -ras- rad-, ras-, raz- rad, ras(raz) radula R.A.F.

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