词根词缀：clino-, clin-, -clinal, -cline, -clinic

【来源及含义】Greek: bed; slope, slant; to lean, leaning; an ecological term; in the sense of a slope or gradient

【同源单词】aclinic, anticlinal, anticline, cline, clinic, clinical

词根词缀：re-, red-

【来源及含义】Latin: back, backward, again; used as a prefix

【同源单词】recalcitrant, recant, recapitulate, recapitulation, recede, receipt