词根词缀:proto-, prot-

【来源及含义】Greek: first; foremost, front, earliest form of, original, primitive; chief, principal; usually used as a prefix

【同源单词】apolipoprotein, cryoprotein, fetoprotein, glycoprotein, hyperlipoproteinemia, hypolipoproteinemia

词根词缀:therap-, -therapeutic[s], -therapeutically, -therapy, -therapies, -therapist

【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

词根词缀:zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan

【来源及含义】Greek: animal, animals; living beings; life

【相关词根词缀】Related "animal" units: anima-; faun-; therio-.

【同源单词】acanthozooid, Actinozoa, actinozoa, actinozoal, actinozoan, agrizoology