thalloanWiktionary 原文构词拆分thallium词根/词干+-oan后缀Used to convert the name of an atom or ion to an adjective that means containing cations or anions of that atom or ion.词源说明From thallium + -oan.释义（英文）形容词 Adjective(mineralogy) Containing univalent thallium.词族相关词（1）thallian