英语词汇expectorant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	expectorant
词根词缀	expectorant 祛痰药 ex-, 向外；-pect, 胸，胸部，词源同pectoral。即从胸中咳出去，祛痰，咳血。
随便看	音变 forearm forebear forebode forebrain forecast forecastle foreclose forecourt foredoomed forefinger foregoing foreign foreign-returned forelock foreman foremost forensic foreplay foresight foreskin forest forestall forever forfeit

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