词根词缀：long-, longi-

【来源及含义】Latin: long

【同源单词】elongate, elongation, long, long, longanimity, longeval

词根词缀：palp-, palpo-, palpi-

【来源及含义】Latin: to touch gently, to stroke; to pat

【同源单词】impalpability, impalpable, impalpably, labipalpus, light touch palpation, longipalp