词根词缀：per-

【来源及含义】Latin: through, across, over; beyond, by means of

【同源单词】Ad astra per aspera, Ad augusta per angust, Ad perpetuam rei memoriam, Ad virtutem per sapientiam, ampersand, antiperspirant

词根词缀：vad-, vas-

【来源及含义】Latin: to go, to walk

【同源单词】angioinvasive, evadable, evade, evader, evading, evasion