词根词缀：centro-, centr-, centri-, kentro-

【来源及含义】Greek > Latin: center; middle point, mid point; focus, focal point, focalize; zero in on

【相关描述】This element originally meant "sharp point, goad" or "spur".

【同源单词】acentric, acentric, acrocentric, allocentric, ambulatory surgery center, amphicentric

词根词缀：stimul-

【来源及含义】Latin: impel, goad, sting, spur, incentive, full of incentives

【同源单词】contrastimulant, hyperstimulation, immunostimulant, narcostimulant, psychostimulant, stimulant

词根词缀：stingu-, -stingu, stinct-, -stinct

【来源及含义】Latin: from -stingere and -stinguere, to separate; to quench, quenching; to wipe out, to obliterate; to goad, to stick; sticking, puncturing, probing

【同源单词】contradistinction, contradistinctive, contradistinctively, contradistinguish, differentiate, distinct