词根词缀：opo-, op-

【来源及含义】Greek: juice

【同源单词】opobalsamum, opodeldoc, opotherapy

词根词缀：therap-

【来源及含义】Greek: heal, cure; treatment; service done to the sick, [a waiting on]

【同源单词】actinotherapy, actinotherapy, aerohydrotherapy, aeroionotherapy, aeropiesotherapy, aerotherapy