abnegate vt. 放弃，舍弃，禁忌
SURRENDER, RELINQUISH
abnegate <> reaffirm
abolitionism n. 废除主义,废奴主义
principles or measures fostering abolition especially of slavery
anarchist : government :: abolitionist : slavery
abolitionist <>persiste in slavery
arboretum n. 树园,植物园
a place where trees, shrubs, and herbaceous plants are cultivated for scientific and educational purposes
arboretum:wilderness::??
aboveboard a. 光明正大的,率直的
in a straightforward manner
surreptitious <> barefaced / aboveboard
abrasion n. 表面磨损(v. abrade)
a wearing, grinding, or rubbing away by friction
abraded : friction :: desiccated : dehydration
scuff : abrasion :: heat : vaporization
abrade <> augment
abridge vt. 删节,缩短,剥夺
to shorten by omission of words without sacrifice of sense : CONDENSE
abbreviate: sentence:: abridgment : essay
abrogate v. 废止，废除?
to abolish by authoritative action : ANNUL
abrogate <> embrace / institute / uphold
abscond v. 潜逃，逃亡?
to depart secretly and hide oneself
abscond : depart :: pilfer:take
follow : shadow :: leave : abscond
lurk:wait::purloin:appropriate/abscond:depart
absolve vt.赦免；解除(责任等)
to set free from an obligation or the consequences of guilt
exculpatory : absolve : :: motivational : stir
hortative : encourage :: exculpatory : absolve
absolve <>inculpate
abstain vi. 自制,戒绝,弃权,避免
to refrain deliberately and often with an effort of self-denial from an action or practice
mandatory : comply :: forbidden : abstain
abstemious adj. 有节制的，节俭的
marked by restraint especially in the consumption of food or alcohol
abstemious : indulge :: austere : decorate { intransigence:control}
reticent : talk :: abstemious : gorge
abstract a. 抽象的，不具体的；n. 摘要，提要
having only intrinsic form with little or no attempt at pictorial representation or narrative content
abstract <> elaborate
abstruse adj.深奥的
difficult to comprehend : RECONDITE
abstruse <> accessible / patent
abuse n./v. 辱骂，滥用?
to attack in words : REVILE
diatribe : abuse :: burlesque : mockery
polemic : disputatious :: invective : abusive
accede v.同意
to express approval or give consent : give in to a request or demand