词根词缀：ambi-, amb-, ambo-

【来源及含义】Latin: both, on both sides; around, about; vague; obscure

【相关词根词缀】 Related "around, round, surrounding" units: ampho-; circ-; circum-; cyclo-, -cycle; gyro-; peri-.

【同源单词】ambiance, ambiciliate, ambicolorate, ambidexter, ambidexterity, ambidextrous

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