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：-ulus, -olus, -ulum, -ola

【来源及含义】Latin: suffix; little, small

【同源单词】abaculus, acaulus, altocumulus, annulus, anulus, anulus ciliaris