词根词缀：chemo-, chem-, chemico-, chemi-, -chemist, -chemic, -chemical

【来源及含义】Arabic > Greek > Latin: the art of combining base metals [to make gold]; from Greek, chemia, “Egypt”, supposedly where the art of changing metals into gold existed

【同源单词】agrichemistry, agrochemical, alchemist, alchemy, allelochemics, allochemic

词根词缀：sero-, ser-, seri-

【来源及含义】Latin: serum, whey; watery substance; serum, in connection with serum

【相关描述】Used primarily in the extended sense of "clear animal fluid".

【相关词根词缀】Serum, whey words: oro-, orrho- unit.

【同源单词】autoserotherapy, chemoserotherapy, mucoserous, seroconversion, seroculture, serodiagnosis

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