词根词缀：cheilo-, cheil-, chilo-, chil-

【来源及含义】Greek: lip, lips; edge or brim

【同源单词】acheiles, acheilia, achilia, Achilles, achillobursitis, achillodynia

词根词缀：thio-, thi-, thion-

【来源及含义】Greek: brimstone, sulfur

【同源单词】Thiobacillus, Thiobacteria, thiobios, thiodotherapy, thioether, thiogenic