词根词缀：apert-, aperi-

【来源及含义】Latin: to open, to uncover

【同源单词】aperient, ap, aperitifs, aperitive, apertural, aperture

词根词缀：-ive

【来源及含义】Latin: a suffix; tending to; of the quality of, inclined to

【同源单词】adhesive, adhesive, advertive, affirmative, aggressive, agitative