词根词缀：fus-, fun-, fund-, fut-, found-

【来源及含义】Latin > French: pour, melt, blend

【同源单词】affuse, affusion, atmospheric diffusion, autoinfusion, autologous transfusion, autotransfusion

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