词根词缀：cult-, -cultural, -culture, -cultures, -culturally, -cultrist

【来源及含义】Latin: to care for, to till [the ground], to cherish; to dwell, to inhabit

【同源单词】aeroculture, agricultural, agriculture, agriculturist, agrosilvicultural, anaculture

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