词根词缀:ag-, agen-, act-, agi-, agit-
【来源及含义】Latin: to set in motion, to hurry, to shake; to drive; to do, to act; to lead, to conduct, to guide
【同源单词】Ab actu ad posse valet illatio, Ab agendo, act, acta, Acta est fabula, acta sanctorum
词根词缀:valid-, val-, vale-, -vail, -valent, -valence
【来源及含义】Latin: valere, to be strong, to be well, to be worth; strong; power, strength; and "fare well" [go with strength]
【同源单词】Ab abusu ad usum non valet consequentia, Ab actu ad posse valet illatio, ad valorem, Aeternum vale, ambivalence, ambivalent